What’s Vulnerable › Vulnerabilities

CVE-2022-2735

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-09-06 · updated 2026-06-17
• Weakness: CWE-276

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.

Affected products

• ClusterLabs pcs: from 0.10.5 through 0.11.3
• Debian Linux: 11.0

References

• https://access.redhat.com/security/cve/CVE-2022-2735
• https://bugzilla.redhat.com/show_bug.cgi?id=2116815
• https://www.debian.org/security/2022/dsa-5226
• https://www.openwall.com/lists/oss-security/2022/09/01/4
• https://access.redhat.com/security/cve/CVE-2022-2735
• https://bugzilla.redhat.com/show_bug.cgi?id=2116815
• https://www.debian.org/security/2022/dsa-5226
• https://www.openwall.com/lists/oss-security/2022/09/01/4

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