Vulnerability-Lookup

GSD-2020-8624

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abuse these unintended additional privileges to update other contents of the zone.

Aliases

CVE-2020-8624

Aliases

CVE-2020-8624

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2020-8624",
    "description": "In BIND 9.9.12 -\u003e 9.9.13, 9.10.7 -\u003e 9.10.8, 9.11.3 -\u003e 9.11.21, 9.12.1 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.9.12-S1 -\u003e 9.9.13-S1, 9.11.3-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone\u0027s content could abuse these unintended additional privileges to update other contents of the zone.",
    "id": "GSD-2020-8624",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-8624.html",
      "https://www.debian.org/security/2020/dsa-4752",
      "https://access.redhat.com/errata/RHSA-2020:5203",
      "https://access.redhat.com/errata/RHSA-2020:5011",
      "https://access.redhat.com/errata/RHSA-2020:4500",
      "https://ubuntu.com/security/CVE-2020-8624",
      "https://advisories.mageia.org/CVE-2020-8624.html",
      "https://linux.oracle.com/cve/CVE-2020-8624.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-8624"
      ],
      "details": "In BIND 9.9.12 -\u003e 9.9.13, 9.10.7 -\u003e 9.10.8, 9.11.3 -\u003e 9.11.21, 9.12.1 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.9.12-S1 -\u003e 9.9.13-S1, 9.11.3-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone\u0027s content could abuse these unintended additional privileges to update other contents of the zone.",
      "id": "GSD-2020-8624",
      "modified": "2023-12-13T01:21:53.713877Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "security-officer@isc.org",
        "DATE_PUBLIC": "2020-08-20T18:35:08.000Z",
        "ID": "CVE-2020-8624",
        "STATE": "PUBLIC",
        "TITLE": "update-policy rules of type \"subdomain\" are enforced incorrectly"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
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                    "product_name": "BIND9",
                    "version": {
                      "version_data": [
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                          "version_affected": "\u003e=",
                          "version_value": "9.9.12"
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        }
      },
      "credit": [
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          "lang": "eng",
          "value": "ISC would like to thank Joop Boonen of credativ GmbH for bringing this vulnerability to our attention."
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          }
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      "exploit": [
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          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
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          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
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      },
      "solution": [
        {
          "lang": "eng",
          "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.11.22\n    BIND 9.16.6\n    BIND 9.17.4\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9.11.22-S1\n"
        }
      ],
      "source": {
        "discovery": "USER"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "No workarounds known."
        }
      ]
    },
    "nvd.nist.gov": {
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            "accessVector": "NETWORK",
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            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
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        },
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          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2023-02-10T17:42Z",
      "publishedDate": "2020-08-21T21:15Z"
    }
  }
}

CVE-2020-8624 (GCVE-0-2020-8624)

Vulnerability from cvelistv5 – Published: 2020-08-21 20:50 – Updated: 2024-09-16 17:52

Title

update-policy rules of type "subdomain" are enforced incorrectly

Summary

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CWE

Change 4885 inadvertently caused "update-policy" rules of type "subdomain" to be treated as if they were of type "zonesub", allowing updates to all parts of the zone along with the intended subdomain. Affects BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition

Assigner

isc CNA under the mitre root

CNA scorecard A 95/100 over 33 records in the last 180 days details

References

10 references

URL	Tags
https://kb.isc.org/docs/cve-2020-8624	x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.netapp.com/advisory/ntap-2020082…	x_refsource_CONFIRM
https://usn.ubuntu.com/4468-1/	vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2020/dsa-4752	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202008-19	vendor-advisoryx_refsource_GENTOO
https://www.synology.com/security/advisory/Synolo…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
ISC	BIND9	Affected: 9.9.12 , < unspecified (custom) Affected: unspecified , ≤ 9.9.13 (custom) Affected: 9.10.7 , < unspecified (custom) Affected: unspecified , ≤ 9.10.8 (custom) Affected: 9.11.3 , < unspecified (custom) Affected: unspecified , < 9.11.22 (custom) Affected: 9.12.1 , < unspecified (custom) Affected: unspecified , < 9.16.6 (custom) Affected: 9.17.0 , < unspecified (custom) Affected: unspecified , < 9.17.4 (custom) Affected: 9.9.12-S1 , < unspecified (custom) Affected: unspecified , ≤ 9.9.13-S1 (custom) Affected: 9.11.3-S1 , < unspecified (custom) Affected: unspecified , < 9.11.22-S1 (custom)

Date Public

2020-08-20 00:00

Credits

ISC would like to thank Joop Boonen of credativ GmbH for bringing this vulnerability to our attention.

Show details on NVD website

JSON

To clipboard

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            "name": "FEDORA-2020-a02b7a0f21",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20200827-0003/"
          },
          {
            "name": "USN-4468-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4468-1/"
          },
          {
            "name": "DSA-4752",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4752"
          },
          {
            "name": "FEDORA-2020-14c194e5af",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/"
          },
          {
            "name": "GLSA-202008-19",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202008-19"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            ],
            "url": "https://www.synology.com/security/advisory/Synology_SA_20_19"
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            "name": "openSUSE-SU-2020:1699",
            "tags": [
              "vendor-advisory",
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
          },
          {
            "name": "openSUSE-SU-2020:1701",
            "tags": [
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              "x_refsource_SUSE",
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            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "BIND9",
          "vendor": "ISC",
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            {
              "lessThan": "unspecified",
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              "version": "9.9.12",
              "versionType": "custom"
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            {
              "lessThanOrEqual": "9.9.13",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "9.10.7",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "9.10.8",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
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            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "9.11.3",
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            {
              "lessThan": "9.11.22",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "9.12.1",
              "versionType": "custom"
            },
            {
              "lessThan": "9.16.6",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "9.17.0",
              "versionType": "custom"
            },
            {
              "lessThan": "9.17.4",
              "status": "affected",
              "version": "unspecified",
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              "lessThan": "unspecified",
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            {
              "lessThanOrEqual": "9.9.13-S1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "9.11.3-S1",
              "versionType": "custom"
            },
            {
              "lessThan": "9.11.22-S1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
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          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "ISC would like to thank Joop Boonen of credativ GmbH for bringing this vulnerability to our attention."
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      ],
      "datePublic": "2020-08-20T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In BIND 9.9.12 -\u003e 9.9.13, 9.10.7 -\u003e 9.10.8, 9.11.3 -\u003e 9.11.21, 9.12.1 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.9.12-S1 -\u003e 9.9.13-S1, 9.11.3-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone\u0027s content could abuse these unintended additional privileges to update other contents of the zone."
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      ],
      "exploits": [
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          "lang": "en",
          "value": "We are not aware of any active exploits but the issue has been described on a public bug tracker for a Linux distribution."
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
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              "description": "Change 4885 inadvertently caused \"update-policy\" rules of type \"subdomain\" to be treated as if they were of type \"zonesub\", allowing updates to all parts of the zone along with the intended subdomain.  Affects BIND 9.9.12 -\u003e 9.9.13, 9.10.7 -\u003e 9.10.8, 9.11.3 -\u003e 9.11.21, 9.12.1 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.9.12-S1 -\u003e 9.9.13-S1, 9.11.3-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition",
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          "tags": [
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          "url": "https://kb.isc.org/docs/cve-2020-8624"
        },
        {
          "name": "FEDORA-2020-a02b7a0f21",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20200827-0003/"
        },
        {
          "name": "USN-4468-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4468-1/"
        },
        {
          "name": "DSA-4752",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4752"
        },
        {
          "name": "FEDORA-2020-14c194e5af",
          "tags": [
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          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/"
        },
        {
          "name": "GLSA-202008-19",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202008-19"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.synology.com/security/advisory/Synology_SA_20_19"
        },
        {
          "name": "openSUSE-SU-2020:1699",
          "tags": [
            "vendor-advisory",
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          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
        },
        {
          "name": "openSUSE-SU-2020:1701",
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            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.11.22\n    BIND 9.16.6\n    BIND 9.17.4\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9.11.22-S1"
        }
      ],
      "source": {
        "discovery": "USER"
      },
      "title": "update-policy rules of type \"subdomain\" are enforced incorrectly",
      "workarounds": [
        {
          "lang": "en",
          "value": "No workarounds known."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
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          "ASSIGNER": "security-officer@isc.org",
          "DATE_PUBLIC": "2020-08-20T18:35:08.000Z",
          "ID": "CVE-2020-8624",
          "STATE": "PUBLIC",
          "TITLE": "update-policy rules of type \"subdomain\" are enforced incorrectly"
        },
        "affects": {
          "vendor": {
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                    {
                      "product_name": "BIND9",
                      "version": {
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                          {
                            "version_affected": "\u003e=",
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                            "version_value": "9.9.13"
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                            "version_affected": "\u003e=",
                            "version_value": "9.10.7"
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                            "version_value": "9.10.8"
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                            "version_affected": "\u003e=",
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                          {
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                            "version_affected": "\u003e=",
                            "version_value": "9.11.3-S1"
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                          {
                            "version_affected": "\u003c",
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        },
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            "lang": "eng",
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                }
              ]
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        },
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            },
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              "name": "https://security.netapp.com/advisory/ntap-20200827-0003/",
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            },
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            },
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            },
            {
              "name": "openSUSE-SU-2020:1701",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
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          ]
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          {
            "lang": "en",
            "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.11.22\n    BIND 9.16.6\n    BIND 9.17.4\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9.11.22-S1"
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            "lang": "en",
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}

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

Order JSON

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

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