Vulnerability in GitLab
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 spoof author of signed commits.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- GitLab — versions >=12.8, <13.10.5, >=13.11, <13.11.5, >=13.12, <13.12.2
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/297665 (Broken Link)
- hackerone.com/reports/1077019 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22218.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22218?
- CVE-2021-22218 is a low-severity vulnerability in GitLab, classified under Improper Certificate Validation. CVSS score: 2.6/10. Published 2021-06-08.
- How severe is CVE-2021-22218?
- Low severity. CVSS v3 base score is 2.6 out of 10.