CVE-2020-25654
pacemaker: ACL restrictions bypass
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 27, 2020
Updated · November 22, 2025
Description
An ACL bypass flaw was found in Pacemaker. This flaw allows an attacker with a local account on the cluster and in the haclient group to use IPC communication with various daemons to directly perform certain tasks that would be prevented if they had gone through configured ACLs. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Statement
Red Hat Gluster Storage 3 no longer maintains its own version of Pacemaker. The prerequisite is to enable Red Hat Enterprise Linux High Availability (for RHEL X Server)" repository. The fix will be consumed from RHEL High Availability repository.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-284 · Improper Access Control