Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 13.0.0, < 14.6.5 |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/343898Broken Link
- https://hackerone.com/reports/1089609Permissions RequiredThird Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/343898Broken Link
- https://hackerone.com/reports/1089609Permissions RequiredThird Party Advisory
FAQ
What is CVE-2021-4191?
CVE-2021-4191 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 enumerat...
How severe is CVE-2021-4191?
CVE-2021-4191 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4191?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.