What is CVE-2011-5271?

CVE-2011-5271 is a medium-severity vulnerability in Clusterlabs Pacemaker, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2019-11-12.

How severe is CVE-2011-5271?

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

Vulnerability in Clusterlabs Pacemaker

CVE-2011-5271

Pacemaker before 1.1.6 configure script creates temporary files insecurely

Published 2019-11-12 · last modified 2026-06-16.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.005 (39.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Clusterlabs Pacemaker

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

security-tracker.debian.org/tracker/CVE-2011-5271 (Patch, Third Party Advisory)
www.openwall.com/lists/oss-security/2014/02/11/1 (Mailing List, Third Party Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/91120 (VDB Entry, Third Party Advisory)
www.securityfocus.com/bid/65472 (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2011-5271?: CVE-2011-5271 is a medium-severity vulnerability in Clusterlabs Pacemaker, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2019-11-12.
How severe is CVE-2011-5271?: Medium severity. CVSS v3 base score is 5.5 out of 10.