What is CVE-2020-13348?

CVE-2020-13348 is a medium-severity vulnerability in GitLab. CVSS score: 5.7/10. Published 2020-11-17.

How severe is CVE-2020-13348?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in GitLab

CVE-2020-13348

An issue has been discovered in GitLab EE affecting all versions starting from 10.2. Required CODEOWNERS approval could be bypassed by targeting a branch without the CODEOWNERS file. Affected versions are >=10.2, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

Published 2020-11-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

GitLab
GitLab Ee — versions >=10.2, <13.3.9, >=13.4, <13.4.5, >=13.5, <13.5.2

References

gitlab.com/gitlab-org/gitlab/-/issues/246928 (Broken Link)
gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13348.json (Vendor Advisory)

Frequently asked questions

What is CVE-2020-13348?: CVE-2020-13348 is a medium-severity vulnerability in GitLab. CVSS score: 5.7/10. Published 2020-11-17.
How severe is CVE-2020-13348?: Medium severity. CVSS v3 base score is 5.7 out of 10.