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CVE-2011-3154

13
FAUCET Score

CVE-2011-3154 describes a local privilege escalation vulnerability in Update Manager for Ubuntu Linux, specifically in the DistUpgrade/DistUpgradeViewKDE.py component. It allows local users to access the XAUTHORITY file content of another user through a symlink attack on improperly created temporary files. The vulnerability has a low CVSS score of 1.9 (AV:L/AC:M/Au:N/C:P/I:N/A:N), indicating a local attack vector with medium complexity and a potential impact of partial confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1\:0.87.24CPE matchmatch criteria
cpe:2.3:a:canonical:update-manager:*:*:*:*:*:*:*:*
1\:0.134.7CPE matchmatch criteria
cpe:2.3:a:canonical:update-manager:1\:0.134.7:*:*:*:*:*:*:*
1\:0.142.19CPE matchmatch criteria
cpe:2.3:a:canonical:update-manager:1\:0.142.19:*:*:*:*:*:*:*
1\:0.150CPE matchmatch criteria
cpe:2.3:a:canonical:update-manager:1\:0.150:*:*:*:*:*:*:*
1\:0.152.25CPE matchmatch criteria
cpe:2.3:a:canonical:update-manager:1\:0.152.25:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

1.9LOW

AV:L/AC:M/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
24.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 36th percentile among its peer group of 747 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ubuntuvendor investigatingvia nvd_reference
View patch

References

bugs.launchpad.net / ubuntu/+source/update-manager/+bug/881541
secunia.com / advisories/47024
ubuntu.com / usn/USN-1284-1
Vendor Advisory