CVE-2021-1511 (GCVE-0-2021-1511)

Vulnerability from cvelistv5 – Published: 2021-05-06 12:42 – Updated: 2024-11-08 23:19
VLAI
Title
Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities
Summary
Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-08 20:17 UTC
CWE
Assigner
References
URL Tags
https://tools.cisco.com/security/center/content/C… vendor-advisoryx_refsource_CISCO
Impacted products
Vendor Product Version CPE status
Cisco Cisco SD-WAN vEdge router Affected: n/a
guessed Create a notification for this product.
Date Public
2021-05-05 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T16:11:17.569Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20210505 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-1511",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-08T20:17:40.485745Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-08T23:19:01.399Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco SD-WAN vEdge router",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2021-05-05T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "CWE-119",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-06T12:42:07.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20210505 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO"
        }
      ],
      "source": {
        "advisory": "cisco-sa-sdwan-buffover-MWGucjtO",
        "defect": [
          [
            "CSCvt11545",
            "CSCvu28407",
            "CSCvu28442"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2021-05-05T16:00:00",
          "ID": "CVE-2021-1511",
          "STATE": "PUBLIC",
          "TITLE": "Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco SD-WAN vEdge router",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory."
            }
          ]
        },
        "exploit": [
          {
            "lang": "en",
            "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
          }
        ],
        "impact": {
          "cvss": {
            "baseScore": "7.5",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-119"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20210505 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-sdwan-buffover-MWGucjtO",
          "defect": [
            [
              "CSCvt11545",
              "CSCvu28407",
              "CSCvu28442"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2021-1511",
    "datePublished": "2021-05-06T12:42:07.424Z",
    "dateReserved": "2020-11-13T00:00:00.000Z",
    "dateUpdated": "2024-11-08T23:19:01.399Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-1511",
      "date": "2026-10-01",
      "epss": "0.01024",
      "percentile": "0.62224"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7BFED2F3-4C18-4BE5-9F97-2CFCE37E7A2E",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B89D5AE2-3ED3-4C57-AF93-E9750D38F029",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FDE3B3E4-CE46-454C-B7A1-2A42657C7035",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_100:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "00AAB4DD-1C45-412F-84AA-C056A0BBFB9A",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_1000_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "50C849A5-EBF4-4CD7-93AE-503C3E0B7A05",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_1000_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "834192CC-585D-445E-B2AD-D73E9CDF3FED",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_1000_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9D905B3F-094C-472C-AAAD-A4129282E942",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_1000:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F019975D-3A45-4522-9CB9-F4258C371DF6",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100b_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "12136AD8-9113-46B9-B6A9-0C330ABB05B9",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100b_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "632EBFCA-132A-4AC9-A244-7D6EBCAEAC16",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100b_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "772B02D0-4C02-4C27-AAA4-AF0BAF00A047",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_100b:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0811E0B5-889E-451E-B754-A8FEE32BDFA2",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100m_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "829BA8C4-8E99-4338-817B-9F9FF37105BE",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100m_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6375DFCF-2EEB-482B-AAD4-8FAB8F03C9C0",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100m_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EF7DE9EC-0075-4655-A888-A4ED3DB002A8",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_100m:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "36973815-F46D-4ADA-B9DF-BCB70AC60BD3",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100wm_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "200199EC-2819-4DE0-828C-0F56790CA1B4",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100wm_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "104BBAE4-C7C1-4E5A-A540-AF679FCE1CD2",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100wm_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9E03BDAC-9DF0-444D-B5C8-483892B31982",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_100wm:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "061A302C-8D35-4E80-93DA-916DA7E90C06",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_2000_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E479E1A4-0F80-4FDC-8F9F-9E23A885179A",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_2000_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "584863D2-B181-4CDF-8266-EEBA56A5AA85",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_2000_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "BADF97B2-33D0-4A28-BDFC-CBD3A235EF5F",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_2000:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "140AF13E-4463-478B-AA94-97406A80CB86",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_5000_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4288CD57-CDEE-4B03-8163-7CDDE7767914",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_5000_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "50C0D971-E2C4-4048-A08F-0A5D437866F8",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_5000_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1E998DFA-CE7F-4954-AB06-CBB15317C6A7",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_5000:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1356861D-E6CA-4973-9597-629507E8C07E",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100b_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "12136AD8-9113-46B9-B6A9-0C330ABB05B9",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100b_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "632EBFCA-132A-4AC9-A244-7D6EBCAEAC16",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_100b_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "772B02D0-4C02-4C27-AAA4-AF0BAF00A047",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_100b:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0811E0B5-889E-451E-B754-A8FEE32BDFA2",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_cloud_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "430D9FAC-36E8-4AB0-85F2-88D7EF1F6B7A",
                    "versionEndExcluding": "20.4.1",
                    "versionStartIncluding": "20.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_cloud_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DDBBDE43-BBAE-431B-AF56-73D9CC8743F7",
                    "versionEndExcluding": "20.5.1",
                    "versionStartIncluding": "20.5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:vedge_cloud_firmware:19.2.99:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C0D58D17-951F-446E-8004-A489E3A9725E",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:cisco:vedge_cloud:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "94999112-9EAA-4707-B002-F867D7628C49",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory."
          },
          {
            "lang": "es",
            "value": "M\u00faltiples vulnerabilidades en Cisco SD-WAN vEdge Software, podr\u00edan permitir a un atacante ejecutar c\u00f3digo arbitrario como usuario root o causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado.\u0026#xa0;Para obtener m\u00e1s informaci\u00f3n sobre estas vulnerabilidades, consulte la secci\u00f3n Detalles de este aviso"
          }
        ],
        "id": "CVE-2021-1511",
        "lastModified": "2024-11-21T05:44:30.937",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 6.8,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 8.0,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.6,
              "impactScore": 5.9,
              "source": "psirt@cisco.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-05-06T13:15:10.783",
        "references": [
          {
            "source": "psirt@cisco.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO"
          }
        ],
        "sourceIdentifier": "psirt@cisco.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "psirt@cisco.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T15:07:22+00:00",
      "cve": "CVE-2021-1511",
      "id": "CVE-2021-1511",
      "initial_release_date": "2021-05-05T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-1511.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T16:11:17.569Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "name": "20210505 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
                "tags": [
                  "vendor-advisory",
                  "x_refsource_CISCO",
                  "x_transferred"
                ],
                "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2021-1511",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-11-08T20:17:40.485745Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-11-08T20:37:01.363Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "Cisco SD-WAN vEdge router",
              "vendor": "Cisco",
              "versions": [
                {
                  "status": "affected",
                  "version": "n/a"
                }
              ]
            }
          ],
          "datePublic": "2021-05-05T00:00:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "value": "Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-119",
                  "description": "CWE-119",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2021-05-06T12:42:07.000Z",
            "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
            "shortName": "cisco"
          },
          "references": [
            {
              "name": "20210505 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
              "tags": [
                "vendor-advisory",
                "x_refsource_CISCO"
              ],
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO"
            }
          ],
          "source": {
            "advisory": "cisco-sa-sdwan-buffover-MWGucjtO",
            "defect": [
              [
                "CSCvt11545",
                "CSCvu28407",
                "CSCvu28442"
              ]
            ],
            "discovery": "INTERNAL"
          },
          "title": "Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
          "x_legacyV4Record": {
            "CVE_data_meta": {
              "ASSIGNER": "psirt@cisco.com",
              "DATE_PUBLIC": "2021-05-05T16:00:00",
              "ID": "CVE-2021-1511",
              "STATE": "PUBLIC",
              "TITLE": "Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities"
            },
            "affects": {
              "vendor": {
                "vendor_data": [
                  {
                    "product": {
                      "product_data": [
                        {
                          "product_name": "Cisco SD-WAN vEdge router",
                          "version": {
                            "version_data": [
                              {
                                "version_value": "n/a"
                              }
                            ]
                          }
                        }
                      ]
                    },
                    "vendor_name": "Cisco"
                  }
                ]
              }
            },
            "data_format": "MITRE",
            "data_type": "CVE",
            "data_version": "4.0",
            "description": {
              "description_data": [
                {
                  "lang": "eng",
                  "value": "Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory."
                }
              ]
            },
            "exploit": [
              {
                "lang": "en",
                "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
              }
            ],
            "impact": {
              "cvss": {
                "baseScore": "7.5",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              }
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "CWE-119"
                    }
                  ]
                }
              ]
            },
            "references": {
              "reference_data": [
                {
                  "name": "20210505 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities",
                  "refsource": "CISCO",
                  "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO"
                }
              ]
            },
            "source": {
              "advisory": "cisco-sa-sdwan-buffover-MWGucjtO",
              "defect": [
                [
                  "CSCvt11545",
                  "CSCvu28407",
                  "CSCvu28442"
                ]
              ],
              "discovery": "INTERNAL"
            }
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "assignerShortName": "cisco",
        "cveId": "CVE-2021-1511",
        "datePublished": "2021-05-06T12:42:07.424Z",
        "dateReserved": "2020-11-13T00:00:00.000Z",
        "dateUpdated": "2024-11-08T23:19:01.399Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.