Is CVE-2011-4613 being actively exploited?

CVE-2011-4613 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4613?

CVE-2011-4613 has a CVSS 2.0 base score of 4.6 (MEDIUM).

CVE-2011-4613

MEDIUM · CVSS 4.6EPSS 0.9%EU EUVD

The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.

Key facts

CVSS score: 4.6 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-264
EPSS score: 0.9% (59th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4537)
Published: February 5, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4537 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
ubuntu / linux
x.org / x server

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249(Vendor Advisory)
http://www.debian.org/security/2011/dsa-2364(Vendor Advisory)
http://www.ubuntu.com/usn/USN-1349-1(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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