Vulnerability · Published Nov 4, 2021 · Assigned by GitLab
CVE-2021-39903
Medium 6.5
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 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.4%top 27.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.
Affected products (as reported)
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/300017 x_refsource_MISC
- https://hackerone.com/reports/1086781 x_refsource_MISC
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.json x_refsource_CONFIRM