How severe is CVE-2011-3153?

CVE-2011-3153 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2011-3153 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3153?

CVE-2011-3153 primarily affects Robert Ancell Lightdm. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3153?

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

When was CVE-2011-3153 published?

CVE-2011-3153 was published on 2014-03-06 and last updated on 2026-06-16.

CVE-2011-3153

CVE-2011-3153 is a low-severity vulnerability in Robert Ancell Lightdm 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% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Robert Ancell Lightdm
Published: 2014-03-06
Last modified: 2026-06-16

Description

dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack on ~/.dmrc.

Frequently asked questions

What is CVE-2011-3153?: dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack on ~/.dmrc.
How severe is CVE-2011-3153?: CVE-2011-3153 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2011-3153 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3153?: CVE-2011-3153 primarily affects Robert Ancell Lightdm. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3153?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3153 published?: CVE-2011-3153 was published on 2014-03-06 and last updated on 2026-06-16.

References

Affected products (45)

cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:*:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.1.2:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.2.3:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.3.2:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.3.3:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.3.5:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.3.6:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.7:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:0.9.8:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:robert_ancell:lightdm:1.0.5:*:*:*:*:*:*:*

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