CVE-2011-4028

CVE-2011-4028 is a low-severity vulnerability in X.org X Server with a CVSS 2.0 base score of 1.2. 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

Description

The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.

Frequently asked questions

What is CVE-2011-4028?
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.
How severe is CVE-2011-4028?
CVE-2011-4028 has a CVSS 2.0 base score of 1.2, rated low severity.
Is CVE-2011-4028 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4028?
CVE-2011-4028 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-2011-4028?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4028 published?
CVE-2011-4028 was published on 2012-07-03 and last updated on 2026-06-16.

References

Affected products (2)

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