CVE-2011-4613

mediumpriority · track · 28EPSS 0.009 · 58 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.86% (58th) EPSS

CVSS 4.6 · medium

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Psecondary · FSTEC (BDU) RU

v2.04.1mediumAV:L/AC:L/Au:N/C:P/I:P/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USprimaryCWE-264US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-18040X.Org xorg 1.4 < 1.11.2 - File Permission ChangePoC · exploit_db

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 6fstec_bduRU
canonical ubuntu linux= 10.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 10.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 11.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 11.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
debian debian linuxall versionsnvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
ubuntu linuxall versionsnvdUScpe:2.3:o:ubuntu:linux:*:*:*:*:*:*:*:*
x.org x serverall versionsnvdUScpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2014-02-05modified 2026-06-16

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+8950 more

references (6)

External citations — patches, advisories, analysis.

scry

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