CVE-2021-22218
LOWGitLab 12.8-13.10.4, 13.11-13.11.4, 13.12-13.12.1 - Improper Certificate Validation
Title source: llmDescription
All versions of GitLab CE/EE starting from 12.8 before 13.10.5, all versions starting from 13.11 before 13.11.5, and all versions starting from 13.12 before 13.12.2 were affected by an issue in the handling of x509 certificates that could be used to spoof author of signed commits.
References (3)
Core 3
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/297665
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1077019
Vendor Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22218.json
Scores
CVSS v3
2.6
EPSS
0.0013
EPSS Percentile
31.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Details
CWE
CWE-295
Status
published
Products (1)
gitlab/gitlab
12.8.0 - 13.10.5 (2 CPE variants)
Published
Jun 08, 2021
Tracked Since
Feb 18, 2026