Auth bypass in Gitlab
CVE-2021-39904
An Improper Access Control vulnerability in the GraphQL API in all versions of GitLab CE/EE starting from 13.1 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows a Merge Request creator to resolve discussions and apply suggestions after a project owner has locked the Merge Request
Vulnerability class: Broken Access Control
EPSS: 0.008 (53.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Gitlab — versions >=13.1, <14.2.6, 14.4.0, >=14.3, <14.3.4
Weakness classification (CWE)
References
- cve@gitlab.com (Exploit, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- 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-2021-39904?
- CVE-2021-39904 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2021-11-05.
- How severe is CVE-2021-39904?
- Medium severity. CVSS v3 base score is 4.3 out of 10.