CVE-2016-1572

mount.ecryptfs_private.c in eCryptfs-utils does not validate mount destination filesystem types, which allows local users to gain privileges by mounting over a nonstandard filesystem, as demonstrated by /proc/$pid.

Published: 2016-01-22 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-1572 is rated Moderate Risk (43.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.37%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-1572

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.05% 0.37% +0.32%
2 2026-05-13 0.04% 0.05% +0.01%
3 2025-12-28 0.04%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-1572

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.4 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.5 5.9 [email protected]
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
3.9 6.4 [email protected]

Weakness enumeration for CVE-2016-1572

OS Trackers for CVE-2016-1572

vendor priority summary link
debian not yet assigned CVE-2016-1572 not yet assigned priority: Debian including 1 source packages (ecryptfs-utils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-1572
redhat high https://access.redhat.com/security/cve/CVE-2016-1572
suse medium CVE-2016-1572 severity moderate: SUSE including 19 source package names (ecryptfs-utils-103-7.1, ecryptfs-utils-103-8.3.1, …), 81 product×package rows across 33 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Desktop 11 SP4, … (33 product lines)): Fixed 81. https://www.suse.com/security/cve/CVE-2016-1572/
ubuntu medium CVE-2016-1572 medium priority: Ubuntu including 1 source packages (ecryptfs-utils), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 5. https://ubuntu.com/security/CVE-2016-1572

Affected software / configurations for CVE-2016-1572

Vendor Product Version Raw CPE
ecryptfs ecryptfs-utils < 109 cpe:2.3:a:ecryptfs:ecryptfs-utils:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 15.04 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
canonical ubuntu_linux 15.10 cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
opensuse leap 42.1 cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
fedoraproject fedora 22 cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
fedoraproject fedora 23 cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*

References for CVE-2016-1572

URL Tags
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177359.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177396.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00091.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-01/msg00118.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00004.html Mailing List Third Party Advisory
http://www.debian.org/security/2016/dsa-3450 Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/20/6 Mailing List Third Party Advisory
http://www.securitytracker.com/id/1034791 Broken Link Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2876-1 Patch Third Party Advisory
https://bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/870 Patch Third Party Advisory
https://bugs.launchpad.net/ecryptfs/+bug/1530566 Issue Tracking Patch Third Party Advisory
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