Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 13.0.0, < 14.2.6 |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/300017Broken Link
- https://hackerone.com/reports/1086781Permissions RequiredThird Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/300017Broken Link
- https://hackerone.com/reports/1086781Permissions RequiredThird Party Advisory
FAQ
What is CVE-2021-39903?
CVE-2021-39903 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 admin...
How severe is CVE-2021-39903?
CVE-2021-39903 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39903?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.