CVE-2021-39872

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-05 · updated 2026-06-17
Weakness: CWE-287

Description

In all versions of GitLab CE/EE since version 14.1, an improper access control vulnerability allows users with expired password to still access GitLab through git and API through access tokens acquired before password expiration.

Affected products

GitLab: from 14.1.0 before 14.1.7; from 14.2.0 before 14.2.5; 4.3.0 — fixed in 14.1.7, 14.2.5

How to fix

Upgrade to a fixed version: GitLab 14.1.7, 14.2.5. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39872.json
https://gitlab.com/gitlab-org/gitlab/-/issues/337954
https://hackerone.com/reports/1285226
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39872.json
https://gitlab.com/gitlab-org/gitlab/-/issues/337954
https://hackerone.com/reports/1285226

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