Path Traversal in GitLab
CVE-2020-13347
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.5% 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
- GitLab
- GitLab Runner — versions >=12.0.0, <13.2.4, >=13.3.0, <13.3.2, >=13.4.0, <13.4.1
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab-runner/-/issues/26725 (Broken Link, Vendor Advisory)
- hackerone.com/reports/955016 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13347.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-13347?
- CVE-2020-13347 is a critical-severity vulnerability in GitLab, classified under Path Traversal. CVSS score: 9.1/10. Published 2020-10-07.
- How severe is CVE-2020-13347?
- Critical severity. CVSS v3 base score is 9.1 out of 10.