CVE-2011-1831

CVE-2011-1831 is a medium-severity vulnerability in Ecryptfs Ecryptfs-utils with a CVSS 2.0 base score of 4.6. 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-264.

Key facts

Description

utils/mount.ecryptfs_private.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows local users to effectively replace any directory with a new filesystem, and consequently gain privileges, via a mount system call.

Frequently asked questions

What is CVE-2011-1831?
utils/mount.ecryptfs_private.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows local users to effectively replace any directory with a new filesystem, and consequently gain privileges, via a mount system call.
How severe is CVE-2011-1831?
CVE-2011-1831 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2011-1831 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-2011-1831?
CVE-2011-1831 primarily affects Ecryptfs Ecryptfs-utils. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1831?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1831 published?
CVE-2011-1831 was published on 2014-02-15 and last updated on 2026-06-16.

References

Affected products (31)

More vulnerabilities in Ecryptfs Ecryptfs-utils

All CVEs affecting Ecryptfs Ecryptfs-utils →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →