What is CVE-2010-2496?

CVE-2010-2496 is a medium-severity vulnerability in Clusterlabs Cluster Glue, classified under Improper Authentication. CVSS score: 5.5/10. Published 2021-10-18.

How severe is CVE-2010-2496?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Clusterlabs Cluster Glue

CVE-2010-2496

stonith-ng in pacemaker and cluster-glue passed passwords as commandline parameters, making it possible for local attackers to gain access to passwords of the HA stack and potentially influence its operations. This is fixed in cluster-glue 1.0.6 and newer, and pacemaker 1.1.3 and newer.

Vulnerability class: Broken Authentication

Published 2021-10-18 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

bugzilla.suse.com/show_bug.cgi (Patch, Mailing List, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2010-2496?: CVE-2010-2496 is a medium-severity vulnerability in Clusterlabs Cluster Glue, classified under Improper Authentication. CVSS score: 5.5/10. Published 2021-10-18.
How severe is CVE-2010-2496?: Medium severity. CVSS v3 base score is 5.5 out of 10.