Vulnerability · Published Mar 28, 2022 · Assigned by GitLab
CVE-2021-4191
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 80.0% (higher than 99.6% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)80.0%top 0.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling3Metasploit, Nuclei, Public PoC
Official description
An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.
Affected products (as reported)
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/343898 x_refsource_MISC
- https://hackerone.com/reports/1089609 x_refsource_MISC
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.json x_refsource_CONFIRM