Vulnerability · Published Nov 4, 2021 · Assigned by GitLab
CVE-2021-39909
Medium 5.3
In plain English
A medium-severity security flaw in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.6%top 50.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 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 an attacker to bypass CODEOWNERS Merge Request approval requirement under rare circumstances
Affected products (as reported)
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/335191 x_refsource_MISC
- https://hackerone.com/reports/1237750 x_refsource_MISC
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39909.json x_refsource_CONFIRM