CVE-2022-2735

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the "hacluster" token, this flaw allows an attacker to have complete control over the cluster managed by PCS.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-276

Affected software

Vendor	Product	Versions
n/a	ClusterLabs/pcs	Affects v0.10.5 and later including all 0.11.x.

References

https://access.redhat.com/security/cve/CVE-2022-2735Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2116815Issue Tracking, Patch, Third Party Advisory
https://www.debian.org/security/2022/dsa-5226Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/09/01/4Mailing List, Release Notes, Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-2735Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2116815Issue Tracking, Patch, Third Party Advisory
https://www.debian.org/security/2022/dsa-5226Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/09/01/4Mailing List, Release Notes, Third Party Advisory

Timeline

Published: Sep 6, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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