CVE-2015-3627

Libcontainer and Docker Engine before 1.6.1 opens the file-descriptor passed to the pid-1 process before performing the chroot, which allows local users to gain privileges via a symlink attack in an image.

Published: 2015-05-18 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-3627 is rated Moderate Risk (40.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.14%). 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-2015-3627

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 2026-03-09 0.16% 0.14% -0.02%
2 2025-12-05 0.09% 0.16% +0.07%
3 2025-03-30 0.09%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3627

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.9 10.0 [email protected]

Weakness enumeration for CVE-2015-3627

GitHub Security Advisory for CVE-2015-3627

GHSA-g7v2-2qxx-wjrw · Severity: medium · Ecosystem: go — Symlink Attack in Libcontainer and Docker Engine

OS Trackers for CVE-2015-3627

vendor priority summary link
debian not yet assigned CVE-2015-3627 not yet assigned priority: Debian including 1 source packages (docker.io), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-3627
redhat medium https://access.redhat.com/security/cve/CVE-2015-3627
suse low https://www.suse.com/security/cve/CVE-2015-3627/
ubuntu medium CVE-2015-3627 medium priority: Ubuntu including 1 source packages (docker.io), 9 status rows across 9 suites (precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 4, not-affected 2, released 2, DNE 1. https://ubuntu.com/security/CVE-2015-3627

Affected software / configurations for CVE-2015-3627

Vendor Product Version Raw CPE
docker docker <= 1.6 cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:*
docker libcontainer <= 1.6.0 cpe:2.3:a:docker:libcontainer:*:*:*:*:*:docker:*:*

References for CVE-2015-3627

cvelogic Threat Intelligence