Search

Find a vulnerability

Search criteria

    38 vulnerabilities found for Microsoft Exchange Server 2019 Cumulative Update 8 by Microsoft

    CVE-2021-34523 (GCVE-0-2021-34523)

    Vulnerability from nvd – Published: 2021-07-14 17:54 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Elevation of Privilege Vulnerability
    Summary
    Microsoft Exchange Server Elevation of Privilege Vulnerability
    SSVC
    Exploitation: active Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-07-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-04T00:12:50.370Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-822/"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-34523",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T19:06:53.750452Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34523"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "description": "CWE-noinfo Not enough information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:40.735Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34523"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-34523 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-07-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Elevation of Privilege Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Elevation of Privilege",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T22:36:44.141Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-822/"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
            }
          ],
          "title": "Microsoft Exchange Server Elevation of Privilege Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-34523",
        "datePublished": "2021-07-14T17:54:38.000Z",
        "dateReserved": "2021-06-09T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:40.735Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-34473 (GCVE-0-2021-34473)

    Vulnerability from nvd – Published: 2021-07-14 17:54 – Updated: 2025-10-21 23:25
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: active Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-07-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-04T00:12:50.367Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-821/"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-34473",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T15:42:23.926450Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34473"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-918",
                    "description": "CWE-918 Server-Side Request Forgery (SSRF)",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:40.913Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34473"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-34473 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-07-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.1,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T22:36:44.655Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-821/"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-34473",
        "datePublished": "2021-07-14T17:54:03.000Z",
        "dateReserved": "2021-06-09T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:40.913Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-33766 (GCVE-0-2021-33766)

    Vulnerability from nvd – Published: 2021-07-14 17:53 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Information Disclosure Vulnerability
    Summary
    Microsoft Exchange Server Information Disclosure Vulnerability
    SSVC
    Exploitation: active Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-07-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T23:58:23.169Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-33766",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T19:07:59.976278Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2022-01-18",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33766"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "description": "CWE-noinfo Not enough information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:41.207Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33766"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2022-01-18T00:00:00.000Z",
                "value": "CVE-2021-33766 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-07-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Information Disclosure Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Information Disclosure",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T22:36:52.916Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/"
            }
          ],
          "title": "Microsoft Exchange Server Information Disclosure Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-33766",
        "datePublished": "2021-07-14T17:53:40.000Z",
        "dateReserved": "2021-05-28T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:41.207Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-31209 (GCVE-0-2021-31209)

    Vulnerability from nvd – Published: 2021-05-11 19:11 – Updated: 2025-02-28 19:57
    VLAI
    Title
    Microsoft Exchange Server Spoofing Vulnerability
    Summary
    Microsoft Exchange Server Spoofing Vulnerability
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • Spoofing
    • CWE-290 - Authentication Bypass by Spoofing
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.018 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.014 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-05-11 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T22:55:52.213Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31209"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-615/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-31209",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-28T19:25:48.678953Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-290",
                    "description": "CWE-290 Authentication Bypass by Spoofing",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-02-28T19:57:20.647Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.012",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.010",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.018",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.014",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.015",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-05-11T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Spoofing Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Spoofing",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T23:57:05.943Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31209"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-615/"
            }
          ],
          "title": "Microsoft Exchange Server Spoofing Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-31209",
        "datePublished": "2021-05-11T19:11:43.000Z",
        "dateReserved": "2021-04-14T00:00:00.000Z",
        "dateUpdated": "2025-02-28T19:57:20.647Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-31207 (GCVE-0-2021-31207)

    Vulnerability from nvd – Published: 2021-05-11 19:11 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Security Feature Bypass Vulnerability
    Summary
    Microsoft Exchange Server Security Feature Bypass Vulnerability
    SSVC
    Exploitation: active Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Defense in Depth
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.018 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.014 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-05-11 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T22:55:53.519Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31207"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-819/"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-31207",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T18:16:59.637651Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31207"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-434",
                    "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:45.697Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31207"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-31207 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.018",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.012",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.010",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.014",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.015",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-05-11T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Security Feature Bypass Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 6.6,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Defense in Depth",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T23:57:04.957Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31207"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-819/"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
            }
          ],
          "title": "Microsoft Exchange Server Security Feature Bypass Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-31207",
        "datePublished": "2021-05-11T19:11:41.000Z",
        "dateReserved": "2021-04-14T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:45.697Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-31198 (GCVE-0-2021-31198)

    Vulnerability from nvd – Published: 2021-05-11 19:11 – Updated: 2025-02-28 20:55
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    • CWE-94 - Improper Control of Generation of Code ('Code Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.018 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.014 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-05-11 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T22:55:53.241Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31198"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-894/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-31198",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-28T20:24:09.809147Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-94",
                    "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-02-28T20:55:39.432Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.012",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.010",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.018",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.014",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.015",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-05-11T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T23:57:03.472Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31198"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-894/"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-31198",
        "datePublished": "2021-05-11T19:11:39.000Z",
        "dateReserved": "2021-04-14T00:00:00.000Z",
        "dateUpdated": "2025-02-28T20:55:39.432Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-31195 (GCVE-0-2021-31195)

    Vulnerability from nvd – Published: 2021-05-11 19:11 – Updated: 2025-02-28 19:57
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • Spoofing
    • CWE-290 - Authentication Bypass by Spoofing
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.014 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.018 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-05-11 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T22:55:53.595Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-31195",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-28T19:25:49.893038Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-290",
                    "description": "CWE-290 Authentication Bypass by Spoofing",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-02-28T19:57:35.971Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.014",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.015",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.012",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.010",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.018",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-05-11T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Spoofing",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T23:57:02.969Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-31195",
        "datePublished": "2021-05-11T19:11:38.000Z",
        "dateReserved": "2021-04-14T00:00:00.000Z",
        "dateUpdated": "2025-02-28T19:57:35.971Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-28483 (GCVE-0-2021-28483)

    Vulnerability from nvd – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:47
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-04-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T21:47:31.781Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28483"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-04-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T19:21:51.357Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28483"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-28483",
        "datePublished": "2021-04-13T19:33:48.000Z",
        "dateReserved": "2021-03-15T00:00:00.000Z",
        "dateUpdated": "2024-08-03T21:47:31.781Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-28482 (GCVE-0-2021-28482)

    Vulnerability from nvd – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:47
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-04-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T21:47:31.825Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28482"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-04-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T19:21:50.844Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28482"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-28482",
        "datePublished": "2021-04-13T19:33:47.000Z",
        "dateReserved": "2021-03-15T00:00:00.000Z",
        "dateUpdated": "2024-08-03T21:47:31.825Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-28481 (GCVE-0-2021-28481)

    Vulnerability from nvd – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:47
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-04-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T21:47:31.811Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28481"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-04-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T19:21:50.359Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28481"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-28481",
        "datePublished": "2021-04-13T19:33:47.000Z",
        "dateReserved": "2021-03-15T00:00:00.000Z",
        "dateUpdated": "2024-08-03T21:47:31.811Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-28480 (GCVE-0-2021-28480)

    Vulnerability from nvd – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:47
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-04-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T21:47:31.822Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-04-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T19:21:49.841Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-28480",
        "datePublished": "2021-04-13T19:33:46.000Z",
        "dateReserved": "2021-03-15T00:00:00.000Z",
        "dateUpdated": "2024-08-03T21:47:31.822Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-27078 (GCVE-0-2021-27078)

    Vulnerability from nvd – Published: 2021-03-02 23:55 – Updated: 2024-08-03 20:40
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-03-02 08:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T20:40:47.276Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27078"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-03-02T08:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.1,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T20:09:30.306Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27078"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-27078",
        "datePublished": "2021-03-02T23:55:28.000Z",
        "dateReserved": "2021-02-10T00:00:00.000Z",
        "dateUpdated": "2024-08-03T20:40:47.276Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-27065 (GCVE-0-2021-27065)

    Vulnerability from nvd – Published: 2021-03-02 23:55 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: active Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 22 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 2 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 13 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 3 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 14 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 4 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 15 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 5 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 6 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 16 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 17 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Service Pack 1 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_1:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 21 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 12 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 8 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 1 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 9 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 10 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 11 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-03-02 08:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T20:40:47.231Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27065"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-27065",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T19:15:28.165773Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27065"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-22",
                    "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:52.706Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27065"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-27065 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 22",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 2",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 13",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 3",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 14",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 4",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 15",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 5",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 6",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 16",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 17",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_1:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Service Pack 1",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 21",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 12",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 1",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 10",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 11",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-03-02T08:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T20:09:28.788Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27065"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-27065",
        "datePublished": "2021-03-02T23:55:28.000Z",
        "dateReserved": "2021-02-10T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:52.706Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-26858 (GCVE-0-2021-26858)

    Vulnerability from nvd – Published: 2021-03-02 23:55 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: active Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 22 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 2 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 13 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 3 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 14 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 4 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 15 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 5 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 6 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 16 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 17 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 21 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 12 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 8 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 1 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 9 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 10 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 11 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-03-02 08:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T20:33:41.156Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26858"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-26858",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T19:16:00.589195Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26858"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "description": "CWE-noinfo Not enough information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:52.837Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26858"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-26858 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 22",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 2",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 13",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 3",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 14",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 4",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 15",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 5",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 6",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 16",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 17",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 21",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 12",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 1",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 10",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 11",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-03-02T08:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T20:08:57.719Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26858"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-26858",
        "datePublished": "2021-03-02T23:55:27.000Z",
        "dateReserved": "2021-02-08T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:52.837Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-26857 (GCVE-0-2021-26857)

    Vulnerability from nvd – Published: 2021-03-02 23:55 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: active Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 22 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 2 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 13 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 3 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 14 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 4 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 15 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 5 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 6 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 16 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 17 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2010 Service Pack 3 Affected: 14.0.0.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Service Pack 1 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_1:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 21 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 12 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 8 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 1 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 9 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 10 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 11 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-03-02 08:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T20:33:40.973Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26857"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-26857",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-12-04T17:23:38.395840Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26857"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-502",
                    "description": "CWE-502 Deserialization of Untrusted Data",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:52.982Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26857"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-26857 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 22",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 2",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 13",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 3",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 14",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 4",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 15",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 5",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 6",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 16",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 17",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:*"
              ],
              "platforms": [
                "Unknown"
              ],
              "product": "Microsoft Exchange Server 2010 Service Pack 3",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "14.0.0.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_1:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Service Pack 1",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 21",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 12",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 1",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 10",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 11",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-03-02T08:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T20:08:57.205Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26857"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-26857",
        "datePublished": "2021-03-02T23:55:26.000Z",
        "dateReserved": "2021-02-08T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:52.982Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-26855 (GCVE-0-2021-26855)

    Vulnerability from nvd – Published: 2021-03-02 23:55 – Updated: 2025-10-21 23:25
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: active Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 22 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 2 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 13 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 3 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 14 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 4 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 15 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 5 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 6 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 16 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 17 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 21 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 12 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 8 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 1 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 9 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 10 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 11 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-03-02 08:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T20:33:40.999Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-26855",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-01-02T18:10:15.970217Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26855"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-918",
                    "description": "CWE-918 Server-Side Request Forgery (SSRF)",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:53.200Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26855"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-26855 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 22",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 2",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 13",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 3",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 14",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 4",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 15",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 5",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 6",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 16",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 17",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 21",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 12",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 1",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 10",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 11",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-03-02T08:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.1,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T20:08:56.682Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-26855",
        "datePublished": "2021-03-02T23:55:26.000Z",
        "dateReserved": "2021-02-08T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:53.200Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-26854 (GCVE-0-2021-26854)

    Vulnerability from nvd – Published: 2021-03-02 23:55 – Updated: 2024-08-03 20:33
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-03-02 08:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T20:33:41.063Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26854"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-03-02T08:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 6.6,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T20:08:56.162Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26854"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-26854",
        "datePublished": "2021-03-02T23:55:25.000Z",
        "dateReserved": "2021-02-08T00:00:00.000Z",
        "dateUpdated": "2024-08-03T20:33:41.063Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-26412 (GCVE-0-2021-26412)

    Vulnerability from nvd – Published: 2021-03-02 23:55 – Updated: 2024-11-19 15:44
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-03-02 08:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T20:26:25.385Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26412"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-26412",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-11-19T15:43:41.699559Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-11-19T15:44:00.903Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-03-02T08:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.1,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T20:08:55.645Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26412"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-26412",
        "datePublished": "2021-03-02T23:55:24.000Z",
        "dateReserved": "2021-01-29T00:00:00.000Z",
        "dateUpdated": "2024-11-19T15:44:00.903Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-34523 (GCVE-0-2021-34523)

    Vulnerability from cvelistv5 – Published: 2021-07-14 17:54 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Elevation of Privilege Vulnerability
    Summary
    Microsoft Exchange Server Elevation of Privilege Vulnerability
    SSVC
    Exploitation: active Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-07-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-04T00:12:50.370Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-822/"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-34523",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T19:06:53.750452Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34523"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "description": "CWE-noinfo Not enough information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:40.735Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34523"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-34523 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-07-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Elevation of Privilege Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Elevation of Privilege",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T22:36:44.141Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-822/"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
            }
          ],
          "title": "Microsoft Exchange Server Elevation of Privilege Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-34523",
        "datePublished": "2021-07-14T17:54:38.000Z",
        "dateReserved": "2021-06-09T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:40.735Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-34473 (GCVE-0-2021-34473)

    Vulnerability from cvelistv5 – Published: 2021-07-14 17:54 – Updated: 2025-10-21 23:25
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: active Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-07-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-04T00:12:50.367Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-821/"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-34473",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T15:42:23.926450Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34473"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-918",
                    "description": "CWE-918 Server-Side Request Forgery (SSRF)",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:40.913Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34473"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-34473 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-07-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.1,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T22:36:44.655Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-821/"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-34473",
        "datePublished": "2021-07-14T17:54:03.000Z",
        "dateReserved": "2021-06-09T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:40.913Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-33766 (GCVE-0-2021-33766)

    Vulnerability from cvelistv5 – Published: 2021-07-14 17:53 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Information Disclosure Vulnerability
    Summary
    Microsoft Exchange Server Information Disclosure Vulnerability
    SSVC
    Exploitation: active Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-07-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T23:58:23.169Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-33766",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T19:07:59.976278Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2022-01-18",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33766"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "description": "CWE-noinfo Not enough information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:41.207Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33766"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2022-01-18T00:00:00.000Z",
                "value": "CVE-2021-33766 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-07-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Information Disclosure Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Information Disclosure",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T22:36:52.916Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/"
            }
          ],
          "title": "Microsoft Exchange Server Information Disclosure Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-33766",
        "datePublished": "2021-07-14T17:53:40.000Z",
        "dateReserved": "2021-05-28T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:41.207Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-31209 (GCVE-0-2021-31209)

    Vulnerability from cvelistv5 – Published: 2021-05-11 19:11 – Updated: 2025-02-28 19:57
    VLAI
    Title
    Microsoft Exchange Server Spoofing Vulnerability
    Summary
    Microsoft Exchange Server Spoofing Vulnerability
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • Spoofing
    • CWE-290 - Authentication Bypass by Spoofing
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.018 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.014 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-05-11 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T22:55:52.213Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31209"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-615/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-31209",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-28T19:25:48.678953Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-290",
                    "description": "CWE-290 Authentication Bypass by Spoofing",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-02-28T19:57:20.647Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.012",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.010",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.018",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.014",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.015",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-05-11T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Spoofing Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Spoofing",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T23:57:05.943Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31209"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-615/"
            }
          ],
          "title": "Microsoft Exchange Server Spoofing Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-31209",
        "datePublished": "2021-05-11T19:11:43.000Z",
        "dateReserved": "2021-04-14T00:00:00.000Z",
        "dateUpdated": "2025-02-28T19:57:20.647Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-31207 (GCVE-0-2021-31207)

    Vulnerability from cvelistv5 – Published: 2021-05-11 19:11 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Security Feature Bypass Vulnerability
    Summary
    Microsoft Exchange Server Security Feature Bypass Vulnerability
    SSVC
    Exploitation: active Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Defense in Depth
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.018 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.014 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-05-11 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T22:55:53.519Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31207"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-819/"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-31207",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T18:16:59.637651Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31207"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-434",
                    "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:45.697Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31207"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-31207 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.018",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.012",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.010",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.014",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.015",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-05-11T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Security Feature Bypass Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 6.6,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Defense in Depth",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T23:57:04.957Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31207"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-819/"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html"
            }
          ],
          "title": "Microsoft Exchange Server Security Feature Bypass Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-31207",
        "datePublished": "2021-05-11T19:11:41.000Z",
        "dateReserved": "2021-04-14T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:45.697Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-31198 (GCVE-0-2021-31198)

    Vulnerability from cvelistv5 – Published: 2021-05-11 19:11 – Updated: 2025-02-28 20:55
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    • CWE-94 - Improper Control of Generation of Code ('Code Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.018 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.014 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-05-11 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T22:55:53.241Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31198"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-894/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-31198",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-28T20:24:09.809147Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-94",
                    "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-02-28T20:55:39.432Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.012",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.010",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.018",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.014",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.015",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-05-11T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T23:57:03.472Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31198"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-894/"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-31198",
        "datePublished": "2021-05-11T19:11:39.000Z",
        "dateReserved": "2021-04-14T00:00:00.000Z",
        "dateUpdated": "2025-02-28T20:55:39.432Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-31195 (GCVE-0-2021-31195)

    Vulnerability from cvelistv5 – Published: 2021-05-11 19:11 – Updated: 2025-02-28 19:57
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • Spoofing
    • CWE-290 - Authentication Bypass by Spoofing
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.014 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.018 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-05-11 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T22:55:53.595Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-31195",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-28T19:25:49.893038Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-290",
                    "description": "CWE-290 Authentication Bypass by Spoofing",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-02-28T19:57:35.971Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.014",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.015",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.012",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.010",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.018",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-05-11T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Spoofing",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-28T23:57:02.969Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-31195",
        "datePublished": "2021-05-11T19:11:38.000Z",
        "dateReserved": "2021-04-14T00:00:00.000Z",
        "dateUpdated": "2025-02-28T19:57:35.971Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-28483 (GCVE-0-2021-28483)

    Vulnerability from cvelistv5 – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:47
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-04-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T21:47:31.781Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28483"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-04-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T19:21:51.357Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28483"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-28483",
        "datePublished": "2021-04-13T19:33:48.000Z",
        "dateReserved": "2021-03-15T00:00:00.000Z",
        "dateUpdated": "2024-08-03T21:47:31.781Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-28482 (GCVE-0-2021-28482)

    Vulnerability from cvelistv5 – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:47
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-04-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T21:47:31.825Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28482"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-04-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T19:21:50.844Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28482"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-28482",
        "datePublished": "2021-04-13T19:33:47.000Z",
        "dateReserved": "2021-03-15T00:00:00.000Z",
        "dateUpdated": "2024-08-03T21:47:31.825Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-28481 (GCVE-0-2021-28481)

    Vulnerability from cvelistv5 – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:47
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-04-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T21:47:31.811Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28481"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-04-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T19:21:50.359Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28481"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-28481",
        "datePublished": "2021-04-13T19:33:47.000Z",
        "dateReserved": "2021-03-15T00:00:00.000Z",
        "dateUpdated": "2024-08-03T21:47:31.811Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-28480 (GCVE-0-2021-28480)

    Vulnerability from cvelistv5 – Published: 2021-04-13 19:33 – Updated: 2024-08-03 21:47
    VLAI
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    CWE
    • Remote Code Execution
    Assigner
    References
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < 15.00.1497.015 (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < 15.01.2176.012 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < 15.02.0792.013 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 20 Affected: 15.01.0 , < 15.01.2242.008 (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 9 Affected: 15.02.0 , < 15.02.0858.010 (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-04-13 07:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T21:47:31.822Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480"
              }
            ],
            "title": "CVE Program Container"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.00.1497.015",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2176.012",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0792.013",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 20",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.01.2242.008",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "15.02.0858.010",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-04-13T07:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T19:21:49.841Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-28480",
        "datePublished": "2021-04-13T19:33:46.000Z",
        "dateReserved": "2021-03-15T00:00:00.000Z",
        "dateUpdated": "2024-08-03T21:47:31.822Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }

    CVE-2021-27065 (GCVE-0-2021-27065)

    Vulnerability from cvelistv5 – Published: 2021-03-02 23:55 – Updated: 2025-10-21 23:25
    VLAI CISA KEVIntel
    Title
    Microsoft Exchange Server Remote Code Execution Vulnerability
    Summary
    Microsoft Exchange Server Remote Code Execution Vulnerability
    SSVC
    Exploitation: active Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • Remote Code Execution
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    Impacted products
    Vendor Product Version
    Microsoft Microsoft Exchange Server 2019 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 22 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 2 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 13 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 3 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 14 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 4 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 15 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 5 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 6 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 16 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 17 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 7 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 18 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 19 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 8 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Service Pack 1 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_1:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2013 Cumulative Update 21 Affected: 15.00.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 12 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 8 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2019 Cumulative Update 1 Affected: 15.02.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 9 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 10 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
    Create a notification for this product.
    Microsoft Microsoft Exchange Server 2016 Cumulative Update 11 Affected: 15.01.0 , < publication (custom)
        cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2021-03-02 08:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T20:40:47.231Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27065"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html"
              },
              {
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-27065",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-04T19:15:28.165773Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2021-11-03",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27065"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-22",
                    "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-21T23:25:52.706Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27065"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2021-11-03T00:00:00.000Z",
                "value": "CVE-2021-27065 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 22",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 2",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 13",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 23",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 3",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 14",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 4",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 15",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 5",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 6",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 16",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 17",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 7",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 18",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 19",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_1:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Service Pack 1",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2013 Cumulative Update 21",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.00.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 12",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 8",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2019 Cumulative Update 1",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.02.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 10",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "cpes": [
                "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*"
              ],
              "platforms": [
                "x64-based Systems"
              ],
              "product": "Microsoft Exchange Server 2016 Cumulative Update 11",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "publication",
                  "status": "affected",
                  "version": "15.01.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "datePublic": "2021-03-02T08:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Remote Code Execution",
                  "lang": "en-US",
                  "type": "Impact"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-12-29T20:09:28.788Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27065"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html"
            }
          ],
          "title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2021-27065",
        "datePublished": "2021-03-02T23:55:28.000Z",
        "dateReserved": "2021-02-10T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:25:52.706Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }