CVE-2009-5144

Name: CVE-2009-5144
Creator: NVD / NIST
Published: 2018-02-03T15:29:00.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.86%

Last modified Jun 16, 2026

CVE-2009-5144 is a vulnerability of currently unknown severity. mod-gnutls does not validate client certificates when "GnuTLSClientVerify require" is set in a directory context, which allows remote attackers to spoof clients via a crafted certificate.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

mod-gnutls does not validate client certificates when "GnuTLSClientVerify require" is set in a directory context, which allows remote attackers to spoof clients via a crafted certificate.

Metrics

EPSS Probability

0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-254

Affected Software

Vendor	Product	Versions
Mod Gnutls Project	Mod Gnutls	All versions

References

http://issues.outoforder.cc/view.php?id=93Broken Link
http://www.openwall.com/lists/oss-security/2015/02/26/6Issue Tracking, Mailing List
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578663Issue Tracking, Mailing List, Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1197127Issue Tracking, Patch
http://issues.outoforder.cc/view.php?id=93Broken Link
http://www.openwall.com/lists/oss-security/2015/02/26/6Issue Tracking, Mailing List
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=578663Issue Tracking, Mailing List, Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1197127Issue Tracking, Patch

Timeline

Published: Feb 3, 2018
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-5144?

mod-gnutls does not validate client certificates when "GnuTLSClientVerify require" is set in a directory context, which allows remote attackers to spoof clients via a crafted certificate.

How severe is CVE-2009-5144?

Severity scoring for CVE-2009-5144 is pending analysis. The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2009-5144?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-5144?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST