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.

• CWE-284

• https://bugzilla.redhat.com/show_bug.cgi?id=1888191Issue Tracking, Third Party Advisory
• https://lists.clusterlabs.org/pipermail/users/2020-October/027840.htmlMailing List, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2021/01/msg00007.htmlMailing List, Third Party Advisory
• https://seclists.org/oss-sec/2020/q4/83Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202309-09
• https://bugzilla.redhat.com/show_bug.cgi?id=1888191Issue Tracking, Third Party Advisory
• https://lists.clusterlabs.org/pipermail/users/2020-October/027840.htmlMailing List, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2021/01/msg00007.htmlMailing List, Third Party Advisory
• https://seclists.org/oss-sec/2020/q4/83Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202309-09

Published

Nov 24, 2020

Last Modified

Jun 17, 2026

Status

Modified

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