CVE-2013-4394

Name: CVE-2013-4394
Creator: NVD / NIST
Published: 2013-10-28T22:55:03.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.34%

Last modified Jun 16, 2026

CVE-2013-4394 is a vulnerability of currently unknown severity. The SetX11Keyboard function in systemd, when PolicyKit Local Authority (PKLA) is used to change the group permissions on the X Keyboard Extension (XKB) layouts description, allows local users in the group to modify the Xorg X11 Server configuration file and possibly gain privileges via vectors involving "special and control characters.". EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

The SetX11Keyboard function in systemd, when PolicyKit Local Authority (PKLA) is used to change the group permissions on the X Keyboard Extension (XKB) layouts description, allows local users in the group to modify the Xorg X11 Server configuration file and possibly gain privileges via vectors involving "special and control characters."

Metrics

EPSS Probability

0.34%

25.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Systemd Project	Systemd	< 194
Debian	Debian Linux	7.0

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357Issue Tracking, Third Party Advisory
http://www.debian.org/security/2013/dsa-2777Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/10/01/9Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=862324Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201612-34Third Party Advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357Issue Tracking, Third Party Advisory
http://www.debian.org/security/2013/dsa-2777Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/10/01/9Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=862324Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201612-34Third Party Advisory

Timeline

Published: Oct 28, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-4394?

How severe is CVE-2013-4394?

Severity scoring for CVE-2013-4394 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2013-4394?

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-2013-4394?

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

Scan your code now

Source: NVD / NIST