How severe is CVE-2011-3154?

CVE-2011-3154 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2011-3154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3154?

CVE-2011-3154 primarily affects Canonical Update-manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3154?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-3154 published?

CVE-2011-3154 was published on 2014-04-17 and last updated on 2026-06-16.

CVE-2011-3154

CVE-2011-3154 is a low-severity vulnerability in Canonical Update-manager with a CVSS 2.0 base score of 1.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Low (CVSS 2.0 base score 1.9)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Canonical Update-manager
Published: 2014-04-17
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-3154?: CVE-2011-3154 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2011-3154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3154?: CVE-2011-3154 primarily affects Canonical Update-manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3154?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3154 published?: CVE-2011-3154 was published on 2014-04-17 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:canonical:update-manager:*:*:*:*:*:*:*:*
cpe:2.3:a:canonical:update-manager:1\:0.134.7:*:*:*:*:*:*:*
cpe:2.3:a:canonical:update-manager:1\:0.142.19:*:*:*:*:*:*:*
cpe:2.3:a:canonical:update-manager:1\:0.150:*:*:*:*:*:*:*
cpe:2.3:a:canonical:update-manager:1\:0.152.25:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:8.04:-:lts:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*

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