CVE-2015-1867: Clusterlabs Pacemaker

High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days.

Pacemaker before 1.1.13 does not properly evaluate added nodes, which allows remote read-only users to gain privileges via an acl command.

Affected products

• Clusterlabs Pacemaker: up to and including 1.1.12
• Red Hat Enterprise Linux High Availability: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Resilient Storage: version 6.0 only; version 7.0 only

Published 2015-08-12. Last modified 2026-06-17.