What is CVE-2014-9938?

CVE-2014-9938 is a high-severity vulnerability in Git-Scm Git, classified under Improper Encoding or Escaping of Output. CVSS score: 8.8/10. Published 2017-03-20.

How severe is CVE-2014-9938?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Git-Scm Git

CVE-2014-9938

contrib/completion/git-prompt.sh in Git before 1.9.3 does not sanitize branch names in the PS1 variable, allowing a malicious repository to cause code execution.

Published 2017-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.8th percentile), scored 2026-09-28.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Git-Scm Git

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

github.com/njhartwell/pw3nage (Exploit, Third Party Advisory)
github.com/git/git/commit/8976500cbbb13270398d3b3e07a17b8cc7bff43f (Patch, Third Party Advisory)
access.redhat.com/errata/RHSA-2017:2004 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2014-9938?: CVE-2014-9938 is a high-severity vulnerability in Git-Scm Git, classified under Improper Encoding or Escaping of Output. CVSS score: 8.8/10. Published 2017-03-20.
How severe is CVE-2014-9938?: High severity. CVSS v3 base score is 8.8 out of 10.