How severe is CVE-2011-4029?

CVE-2011-4029 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2011-4029 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4029?

CVE-2011-4029 primarily affects X.org X Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4029?

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

When was CVE-2011-4029 published?

CVE-2011-4029 was published on 2012-07-03 and last updated on 2026-06-16.

CVE-2011-4029

CVE-2011-4029 is a low-severity vulnerability in X.org X Server 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-362.

Key facts

Severity: Low (CVSS 2.0 base score 1.9)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: X.org X Server
Published: 2012-07-03
Last modified: 2026-06-16

Description

The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.

Frequently asked questions

What is CVE-2011-4029?: The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.
How severe is CVE-2011-4029?: CVE-2011-4029 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2011-4029 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4029?: CVE-2011-4029 primarily affects X.org X Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4029?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4029 published?: CVE-2011-4029 was published on 2012-07-03 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:1.11.0:*:*:*:*:*:*:*

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