CVE-2020-13308

Severity: low (CVSS 2.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-15 · updated 2026-06-17
Weakness: CWE-281

Description

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. A user without 2 factor authentication enabled could be prohibited from accessing GitLab by being invited into a project that had 2 factor authentication inheritance.

Affected products

GitLab: from 13.1.0 before 13.1.10; from 13.2.0 before 13.2.8; from 13.3.0 before 13.3.4 — fixed in 13.1.10, 13.2.8, 13.3.4

How to fix

Upgrade to a fixed version: GitLab 13.1.10, 13.2.8, 13.3.4. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13308.json
https://gitlab.com/gitlab-org/gitlab/-/issues/29989
https://hackerone.com/reports/637675
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13308.json
https://gitlab.com/gitlab-org/gitlab/-/issues/29989
https://hackerone.com/reports/637675

Get alerted when CVE-2020-13308 or the next vulnerability affects your stack