CVE-2021-22218
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…
Does this matter?
Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 2.6 LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
- EPSS
- 0.46% probability · 40th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22218.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/297665Broken Link
- https://hackerone.com/reports/1077019Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22218.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/297665Broken Link
- https://hackerone.com/reports/1077019Permissions Required, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.