Auth bypass in Gitlab
CVE-2021-39872
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.
Vulnerability class: Broken Authentication
EPSS: 0.010 (57.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Gitlab — versions 4.3.0, >=14.1, <14.1.7, >=14.3, <14.3.1
Weakness classification (CWE)
References
- cve@gitlab.com (x_refsource_MISC, Broken Link)
- cve@gitlab.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
- cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39872?
- CVE-2021-39872 is a medium-severity vulnerability in Gitlab, classified under Improper Authentication. CVSS score: 6.5/10. Published 2021-10-05.
- How severe is CVE-2021-39872?
- Medium severity. CVSS v3 base score is 6.5 out of 10.