CVE-2021-40346 (GCVE-0-2021-40346)

Vulnerability from cvelistv5 – Published: 2021-09-08 16:40 – Updated: 2024-08-04 02:27
VLAI
Summary
An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2325 records in the last 180 days details
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:27:31.887Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mail-archive.com/haproxy%40formilux.org"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.haproxy.org/?p=haproxy.git"
          },
          {
            "name": "DSA-4968",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2021/dsa-4968"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg41114.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95"
          },
          {
            "name": "[cloudstack-dev] 20210910 CVE-2021-40346 (haproxy 2.x)",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120%40%3Cdev.cloudstack.apache.org%3E"
          },
          {
            "name": "[cloudstack-dev] 20210910 Re: CVE-2021-40346 (haproxy 2.x)",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a%40%3Cdev.cloudstack.apache.org%3E"
          },
          {
            "name": "FEDORA-2021-3493f9f6ab",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/"
          },
          {
            "name": "FEDORA-2021-cd5ee418f6",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-17T21:06:26.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mail-archive.com/haproxy%40formilux.org"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.haproxy.org/?p=haproxy.git"
        },
        {
          "name": "DSA-4968",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2021/dsa-4968"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg41114.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95"
        },
        {
          "name": "[cloudstack-dev] 20210910 CVE-2021-40346 (haproxy 2.x)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120%40%3Cdev.cloudstack.apache.org%3E"
        },
        {
          "name": "[cloudstack-dev] 20210910 Re: CVE-2021-40346 (haproxy 2.x)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a%40%3Cdev.cloudstack.apache.org%3E"
        },
        {
          "name": "FEDORA-2021-3493f9f6ab",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/"
        },
        {
          "name": "FEDORA-2021-cd5ee418f6",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-40346",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mail-archive.com/haproxy@formilux.org",
              "refsource": "MISC",
              "url": "https://www.mail-archive.com/haproxy@formilux.org"
            },
            {
              "name": "https://git.haproxy.org/?p=haproxy.git",
              "refsource": "MISC",
              "url": "https://git.haproxy.org/?p=haproxy.git"
            },
            {
              "name": "DSA-4968",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2021/dsa-4968"
            },
            {
              "name": "https://www.mail-archive.com/haproxy@formilux.org/msg41114.html",
              "refsource": "MISC",
              "url": "https://www.mail-archive.com/haproxy@formilux.org/msg41114.html"
            },
            {
              "name": "https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/",
              "refsource": "MISC",
              "url": "https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/"
            },
            {
              "name": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95",
              "refsource": "MISC",
              "url": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95"
            },
            {
              "name": "[cloudstack-dev] 20210910 CVE-2021-40346 (haproxy 2.x)",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120@%3Cdev.cloudstack.apache.org%3E"
            },
            {
              "name": "[cloudstack-dev] 20210910 Re: CVE-2021-40346 (haproxy 2.x)",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a@%3Cdev.cloudstack.apache.org%3E"
            },
            {
              "name": "FEDORA-2021-3493f9f6ab",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/"
            },
            {
              "name": "FEDORA-2021-cd5ee418f6",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-40346",
    "datePublished": "2021-09-08T16:40:38.000Z",
    "dateReserved": "2021-08-31T00:00:00.000Z",
    "dateUpdated": "2024-08-04T02:27:31.887Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-40346",
      "date": "2026-10-14",
      "epss": "0.58832",
      "percentile": "0.99098"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2050D7B9-9E52-4564-9136-ABDB74F447A4",
                    "versionEndExcluding": "2.0.25",
                    "versionStartIncluding": "2.0.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4F0B3A48-87CC-490D-8C45-8BD6CCC01F80",
                    "versionEndExcluding": "2.2.17",
                    "versionStartIncluding": "2.2.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "677D5326-42B8-4DF5-A4C3-AEA5EBBA2164",
                    "versionEndExcluding": "2.3.14",
                    "versionStartIncluding": "2.3.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CED60B4E-A8D6-47C8-8E62-FB1E8224E51F",
                    "versionEndExcluding": "2.4.4",
                    "versionStartIncluding": "2.4.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev0:*:*:*:*:*:*",
                    "matchCriteriaId": "4FC0BDE1-8904-4E26-B218-9F5FFF0F6F5D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev1:*:*:*:*:*:*",
                    "matchCriteriaId": "2325B4E6-F5FE-4978-8AD7-9FDBF8D0355C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev2:*:*:*:*:*:*",
                    "matchCriteriaId": "CD24FF4B-8E71-4111-AA2E-DC4DBC7D4961",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev3:*:*:*:*:*:*",
                    "matchCriteriaId": "4589E520-FABF-438D-A7FB-EEDFD6EF75E5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev4:*:*:*:*:*:*",
                    "matchCriteriaId": "3F9374A2-4E60-4BD7-81B0-53A8CE8019D1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev5:*:*:*:*:*:*",
                    "matchCriteriaId": "D2291792-4194-4708-93E8-762B920B6DB0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:haproxy:haproxy:2.5:dev6:*:*:*:*:*:*",
                    "matchCriteriaId": "42A575A1-A115-4AE7-8FEF-40356A9B17CD",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs."
          },
          {
            "lang": "es",
            "value": "Se presenta un desbordamiento de enteros en HAProxy versiones 2.0 a 2.5, en la funci\u00f3n htx_add_header() que puede ser explotada para llevar a cabo un ataque de contrabando de peticiones HTTP, permitiendo a un atacante omitir todas las ACLs configuradas de HAProxy de peticiones http y posiblemente otras ACLs"
          }
        ],
        "id": "CVE-2021-40346",
        "lastModified": "2024-11-21T06:23:54.997",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-09-08T17:15:12.457",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://git.haproxy.org/?p=haproxy.git"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit",
              "Mitigation",
              "Third Party Advisory"
            ],
            "url": "https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120%40%3Cdev.cloudstack.apache.org%3E"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a%40%3Cdev.cloudstack.apache.org%3E"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2021/dsa-4968"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://www.mail-archive.com/haproxy%40formilux.org"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg41114.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://git.haproxy.org/?p=haproxy.git"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/haproxy/haproxy/commit/3b69886f7dcc3cfb3d166309018e6cfec9ce2c95"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Mitigation",
              "Third Party Advisory"
            ],
            "url": "https://jfrog.com/blog/critical-vulnerability-in-haproxy-cve-2021-40346-integer-overflow-enables-http-smuggling/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.apache.org/thread.html/r284567dd7523f5823e2ce995f787ccd37b1cc4108779c50a97c79120%40%3Cdev.cloudstack.apache.org%3E"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.apache.org/thread.html/r8a58fd7a29808e5d27ee56877745e58dc4bb041b9af94601554e2a5a%40%3Cdev.cloudstack.apache.org%3E"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7V2IYO22LWVBGUNZWVKNTMDV4KINLFO/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MXTSBY2TEAXWZVFQM3CXHJFRONX7PEMN/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2021/dsa-4968"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.mail-archive.com/haproxy%40formilux.org"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg41114.html"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-190"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T15:10:12+00:00",
      "cve": "CVE-2021-40346",
      "id": "CVE-2021-40346",
      "initial_release_date": "2021-09-08T17:37:00+00:00",
      "product_status:fixed": "37",
      "product_status:known_affected": "2",
      "product_status:known_not_affected": "121",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "haproxy: request smuggling attack or response splitting via duplicate content-length header",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-40346.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    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.