CVE-2020-13347

Name: CVE-2020-13347
Creator: NVD / NIST
Published: 2020-10-07T14:15:11.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 2.25%

Last modified Jun 17, 2026

CVE-2020-13347 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. A command injection vulnerability was discovered in Gitlab runner versions prior to 13.2.4, 13.3.2 and 13.4.1. When the runner is configured on a Windows system with a docker executor, which allows the attacker to run arbitrary commands on Windows host, via DOCKER_AUTH_CONFIG build variable.. EPSS estimates a 2.25% chance of exploitation in the next 30 days.

Description

A command injection vulnerability was discovered in Gitlab runner versions prior to 13.2.4, 13.3.2 and 13.4.1. When the runner is configured on a Windows system with a docker executor, which allows the attacker to run arbitrary commands on Windows host, via DOCKER_AUTH_CONFIG build variable.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

2.25%

80.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 12.0.0, < 13.2.4
Gitlab	Gitlab	>= 13.3.0, < 13.3.2
Gitlab	Gitlab	>= 13.4.0, < 13.4.1

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13347.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/26725Broken Link, Vendor Advisory
https://hackerone.com/reports/955016Permissions Required, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13347.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/26725Broken Link, Vendor Advisory
https://hackerone.com/reports/955016Permissions Required, Third Party Advisory

Timeline

Published: Oct 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13347?

How severe is CVE-2020-13347?

CVE-2020-13347 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.25% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13347?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13347?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST