CVE-2020-13347: GitLab

Critical severity, CVSS 9.1. EPSS: 2.3% chance of exploitation in the next 30 days.

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.

Affected products

• GitLab GitLab: from 12.0.0, before 13.2.4 (fixed in 13.2.4); from 13.3.0, before 13.3.2 (fixed in 13.3.2); from 13.4.0, before 13.4.1 (fixed in 13.4.1)

Published 2020-10-07. Last modified 2026-06-17.