Skip to content
Heist/ feed
Back to feed
HighFix available

pacemaker — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2020-25654

An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration.

Products
pacemaker
Affected versions
Not specified
Fixed versions
2.0.5~rc2-1
CVEs
CVE-2020-25654
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 13:08 UTC · Revision 1

Source evidence

DEBIAN-CVE-2020-25654

core-osv · Original source

Published 24 Nov 2020, 20:15 UTC

An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration.

osv:DEBIAN-CVE-2020-25654

pacemaker

Fixed versions: 2.0.5~rc2-1

pacemaker

Fixed versions: 2.0.5~rc2-1

pacemaker

Fixed versions: 2.0.5~rc2-1

Complete source record
{
  "id": "d8a8fa14ca348f8f6a2ed74bf60fbfaa90442a10c6c6772339aab7fb7c83a963",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-25654",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2020-25654",
    "summary": "An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration.",
    "evidence": "osv:DEBIAN-CVE-2020-25654",
    "products": [
      {
        "name": {
          "value": "pacemaker",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.0.5~rc2-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "pacemaker",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.0.5~rc2-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "pacemaker",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.0.5~rc2-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2020-25654",
      "aliases": [
        "DEBIAN-CVE-2020-25654"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.0.5~rc2-1"
                }
              ]
            }
          ],
          "package": {
            "name": "pacemaker",
            "purl": "pkg:deb/debian/pacemaker?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-25654.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.0.5~rc2-1"
                }
              ]
            }
          ],
          "package": {
            "name": "pacemaker",
            "purl": "pkg:deb/debian/pacemaker?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-25654.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.0.5~rc2-1"
                }
              ]
            }
          ],
          "package": {
            "name": "pacemaker",
            "purl": "pkg:deb/debian/pacemaker?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-25654.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T12:01:47.848474755Z",
      "provider": "osv",
      "upstream": [
        "CVE-2020-25654"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2020-25654"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2020-25654",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 451845,
  "published_at": "2020-11-24T20:15:11.79+00:00"
}