CVE-2011-3154

DistUpgrade/DistUpgradeViewKDE.py in Update Manager before 1:0.87.31.1, 1:0.134.x before 1:0.134.11.1, 1:0.142.x before 1:0.142.23.1, 1:0.150.x before 1:0.150.5.1, and 1:0.152.x before 1:0.152.25.5 does not properly create temporary files, which allows local users to obtain the XAUTHORITY file content for a user via a symlink attack on the temporary file.

Published: 2014-04-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-3154 is rated Low Risk (16.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.33%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-3154

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.05% 0.33% +0.27%
2 2025-03-17 0.04% 0.05% +0.01%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3154

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
1.9 2.0 LOW
AV:L/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.4 2.9 [email protected]

Weakness enumeration for CVE-2011-3154

OS Trackers for CVE-2011-3154

vendor priority summary link
ubuntu medium CVE-2011-3154 medium priority: Ubuntu including 1 source packages (update-manager), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): released 5, needs-triage 1. https://ubuntu.com/security/CVE-2011-3154

Affected software / configurations for CVE-2011-3154

Vendor Product Version Raw CPE
canonical update-manager <= 1\:0.87.24 cpe:2.3:a:canonical:update-manager:*:*:*:*:*:*:*:*
canonical update-manager 1:0.134.7 cpe:2.3:a:canonical:update-manager:1\:0.134.7:*:*:*:*:*:*:*
canonical update-manager 1:0.142.19 cpe:2.3:a:canonical:update-manager:1\:0.142.19:*:*:*:*:*:*:*
canonical update-manager 1:0.150 cpe:2.3:a:canonical:update-manager:1\:0.150:*:*:*:*:*:*:*
canonical update-manager 1:0.152.25 cpe:2.3:a:canonical:update-manager:1\:0.152.25:*:*:*:*:*:*:*
canonical ubuntu_linux 8.04 cpe:2.3:o:canonical:ubuntu_linux:8.04:-:lts:*:*:*:*:*
canonical ubuntu_linux 10.04 cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*
canonical ubuntu_linux 10.10 cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
canonical ubuntu_linux 11.04 cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
canonical ubuntu_linux 11.10 cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*

References for CVE-2011-3154

cvelogic Threat Intelligence