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cockpit — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2021-3698

A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.

Products
cockpit
Affected versions
Not specified
Fixed versions
260-1
CVEs
CVE-2021-3698
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 02:01 UTC · Revision 1

Source evidence

DEBIAN-CVE-2021-3698

core-osv · Original source

Published 10 Mar 2022, 17:42 UTC

A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.

osv:DEBIAN-CVE-2021-3698

cockpit

Fixed versions: 260-1

cockpit

Fixed versions: 260-1

cockpit

Fixed versions: 260-1

Complete source record
{
  "id": "16f90012b0b19d9e8a3be269523595a70950443e430fc8d9c6aa8d4e2558a538",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-3698",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2021-3698",
    "summary": "A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.",
    "evidence": "osv:DEBIAN-CVE-2021-3698",
    "products": [
      {
        "name": {
          "value": "cockpit",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "260-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "cockpit",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "260-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "cockpit",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "260-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2021-3698",
      "aliases": [
        "DEBIAN-CVE-2021-3698"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "260-1"
                }
              ]
            }
          ],
          "package": {
            "name": "cockpit",
            "purl": "pkg:deb/debian/cockpit?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3698.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "260-1"
                }
              ]
            }
          ],
          "package": {
            "name": "cockpit",
            "purl": "pkg:deb/debian/cockpit?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3698.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "260-1"
                }
              ]
            }
          ],
          "package": {
            "name": "cockpit",
            "purl": "pkg:deb/debian/cockpit?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3698.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T18:05:22.949601812Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-3698"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2021-3698"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-3698",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 424357,
  "published_at": "2022-03-10T17:42:57.783+00:00"
}