Vulnerability-Lookup

UBUNTU-CVE-2021-4181 (CVE-2021-4181)

Vulnerability from osv_ubuntu – Published: 2021-12-30 22:15 – Updated: 2025-07-16 04:56 – Source website

Withdrawn 2025-07-18

Details

Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Severity

7.5 (High)


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

7.5 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-4181	REPORT
	https://gitlab.com/gitlab-org/cves/-/blob/master/…	REPORT
	https://www.wireshark.org/security/wnpa-sec-2021-…	REPORT
	https://gitlab.com/wireshark/wireshark/-/merge_re…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-4181	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libwireshark-data",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwireshark-dev",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwireshark11",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwireshark11-dbgsym",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwiretap-dev",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwiretap8",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwiretap8-dbgsym",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwscodecs2",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwscodecs2-dbgsym",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwsutil-dev",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwsutil9",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "libwsutil9-dbgsym",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "tshark",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "tshark-dbgsym",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark-common",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark-common-dbgsym",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark-dev",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark-doc",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark-gtk",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark-gtk-dbgsym",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark-qt",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          },
          {
            "binary_name": "wireshark-qt-dbgsym",
            "binary_version": "2.6.10-1~ubuntu18.04.0"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "wireshark",
        "purl": "pkg:deb/ubuntu/wireshark@2.6.10-1~ubuntu18.04.0?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6.10-1~ubuntu18.04.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.2-1",
        "2.4.3-1",
        "2.4.4-1",
        "2.4.5-1",
        "2.6.3-1~ubuntu18.04.1",
        "2.6.4-2~ubuntu18.04.0",
        "2.6.5-1~ubuntu18.04.0",
        "2.6.6-1~ubuntu18.04.0",
        "2.6.8-1~ubuntu18.04.0"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libwireshark-data",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwireshark-dev",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwireshark13",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwireshark13-dbgsym",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwiretap-dev",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwiretap10",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwiretap10-dbgsym",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwsutil-dev",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwsutil11",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "libwsutil11-dbgsym",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "tshark",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "tshark-dbgsym",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "wireshark",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "wireshark-common",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "wireshark-common-dbgsym",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "wireshark-dev",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "wireshark-doc",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "wireshark-gtk",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "wireshark-qt",
            "binary_version": "3.2.3-1"
          },
          {
            "binary_name": "wireshark-qt-dbgsym",
            "binary_version": "3.2.3-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "wireshark",
        "purl": "pkg:deb/ubuntu/wireshark@3.2.3-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.3-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.5-1",
        "3.0.7-1",
        "3.2.1-1",
        "3.2.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libwireshark-data",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwireshark-dev",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwireshark15",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwireshark15-dbgsym",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwiretap-dev",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwiretap12",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwiretap12-dbgsym",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwsutil-dev",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwsutil13",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "libwsutil13-dbgsym",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "tshark",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "tshark-dbgsym",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "wireshark",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "wireshark-common",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "wireshark-common-dbgsym",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "wireshark-dev",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "wireshark-doc",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "wireshark-gtk",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "wireshark-qt",
            "binary_version": "3.6.2-2"
          },
          {
            "binary_name": "wireshark-qt-dbgsym",
            "binary_version": "3.6.2-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "wireshark",
        "purl": "pkg:deb/ubuntu/wireshark@3.6.2-2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.2-2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.7-1~exp1",
        "3.4.9-1",
        "3.6.2-1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libwireshark-data",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwireshark-dev",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwireshark17t64",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwireshark17t64-dbgsym",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwiretap-dev",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwiretap14t64",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwiretap14t64-dbgsym",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwsutil-dev",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwsutil15t64",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "libwsutil15t64-dbgsym",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "tshark",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "tshark-dbgsym",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "wireshark",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "wireshark-common",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "wireshark-common-dbgsym",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "wireshark-dbgsym",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "wireshark-dev",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "wireshark-dev-dbgsym",
            "binary_version": "4.2.2-1.1build3"
          },
          {
            "binary_name": "wireshark-doc",
            "binary_version": "4.2.2-1.1build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "wireshark",
        "purl": "pkg:deb/ubuntu/wireshark@4.2.2-1.1build3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.2.2-1.1build3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.0.8-1",
        "4.0.10-1",
        "4.0.11-1",
        "4.2.0-1",
        "4.2.2-1",
        "4.2.2-1.1build1",
        "4.2.2-1.1build2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libwireshark-data",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwireshark-dev",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwireshark18",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwireshark18-dbgsym",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwiretap-dev",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwiretap15",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwiretap15-dbgsym",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwsutil-dev",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwsutil16",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "libwsutil16-dbgsym",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "tshark",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "tshark-dbgsym",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "wireshark",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "wireshark-common",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "wireshark-common-dbgsym",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "wireshark-dbgsym",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "wireshark-dev",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "wireshark-dev-dbgsym",
            "binary_version": "4.4.5-1"
          },
          {
            "binary_name": "wireshark-doc",
            "binary_version": "4.4.5-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.04",
        "name": "wireshark",
        "purl": "pkg:deb/ubuntu/wireshark@4.4.5-1?arch=source\u0026distro=plucky"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.4.5-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.2.6-1",
        "4.4.1-1",
        "4.4.2-1",
        "4.4.3-1",
        "4.4.4-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file",
  "id": "UBUNTU-CVE-2021-4181",
  "modified": "2025-07-16T04:56:52Z",
  "published": "2021-12-30T22:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-4181"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4181.json"
    },
    {
      "type": "REPORT",
      "url": "https://www.wireshark.org/security/wnpa-sec-2021-21.html"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.com/wireshark/wireshark/-/merge_requests/5429"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-4181"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-4181"
  ],
  "withdrawn": "2025-07-18T16:46:34Z"
}

CVE-2021-4181 (GCVE-0-2021-4181)

Vulnerability from cvelistv5 – Published: 2021-12-30 00:00 – Updated: 2025-11-03 21:45

Summary

Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Severity

7.5 (High)


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

CWE

Buffer over-read in Wireshark

Assigner

GitLab CNA under the mitre root

CNA scorecard C 75/100 over 339 records in the last 180 days details

References

9 references

URL	Tags
https://www.wireshark.org/security/wnpa-sec-2021-…
https://gitlab.com/wireshark/wireshark/-/merge_re…
https://gitlab.com/gitlab-org/cves/-/blob/master/…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.debian.org/debian-lts-announce/2022…	mailing-list
https://www.oracle.com/security-alerts/cpuapr2022.html
https://security.gentoo.org/glsa/202210-04	vendor-advisory
https://lists.debian.org/debian-lts-announce/2024…

Impacted products

1 product

Vendor	Product	Version
Wireshark Foundation	Wireshark	Affected: =3.6.0 Affected: >=3.4.0, <3.4.10

Credits

Leonardo Grasso, Jason Dellaluce, and Federico Di Pierro

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
          "dateUpdated": "2025-11-03T21:45:13.801Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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            ],
            "url": "https://www.wireshark.org/security/wnpa-sec-2021-21.html"
          },
          {
            "tags": [
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            ],
            "url": "https://gitlab.com/wireshark/wireshark/-/merge_requests/5429"
          },
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            ],
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4181.json"
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            "tags": [
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/"
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            "name": "FEDORA-2022-30411cb3c4",
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/"
          },
          {
            "name": "[debian-lts-announce] 20220331 [SECURITY] [DLA 2967-1] wireshark security update",
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            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html"
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          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          },
          {
            "name": "GLSA-202210-04",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202210-04"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Wireshark",
          "vendor": "Wireshark Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "=3.6.0"
            },
            {
              "status": "affected",
              "version": "\u003e=3.4.0, \u003c3.4.10"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Leonardo Grasso, Jason Dellaluce, and Federico Di Pierro"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Buffer over-read in Wireshark",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-16T00:00:00.000Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://www.wireshark.org/security/wnpa-sec-2021-21.html"
        },
        {
          "url": "https://gitlab.com/wireshark/wireshark/-/merge_requests/5429"
        },
        {
          "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4181.json"
        },
        {
          "name": "FEDORA-2022-1daf93c51d",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/"
        },
        {
          "name": "FEDORA-2022-30411cb3c4",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/"
        },
        {
          "name": "[debian-lts-announce] 20220331 [SECURITY] [DLA 2967-1] wireshark security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "name": "GLSA-202210-04",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202210-04"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2021-4181",
    "datePublished": "2021-12-30T00:00:00.000Z",
    "dateReserved": "2021-12-27T00:00:00.000Z",
    "dateUpdated": "2025-11-03T21:45:13.801Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

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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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UBUNTU-CVE-2021-4181 (CVE-2021-4181)

CVE-2021-4181 (GCVE-0-2021-4181)

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Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour