What is CVE-2014-9356?

CVE-2014-9356 is a high-severity vulnerability in Docker, classified under Path Traversal. CVSS score: 8.6/10. Published 2019-12-02.

How severe is CVE-2014-9356?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2014-9356 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Docker

CVE-2014-9356

Path traversal vulnerability in Docker before 1.3.3 allows remote attackers to write to arbitrary files and bypass a container protection mechanism via a full pathname in a symlink in an (1) image or (2) build in a Dockerfile.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2019-12-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.049 (91.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000

Affected products

Docker

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

xxg1413/docker-security

References

www.securityfocus.com/archive/1/archive/1/534215/100/0/threaded (mailing-list, Broken Link)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory)

Frequently asked questions

What is CVE-2014-9356?: CVE-2014-9356 is a high-severity vulnerability in Docker, classified under Path Traversal. CVSS score: 8.6/10. Published 2019-12-02.
How severe is CVE-2014-9356?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2014-9356 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.