Vulnerability Description
An authorization logic error in the External Status Check API in GitLab EE affecting all versions starting from 14.1 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allowed a user to update the status of the check via an API call
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 14.1.0, < 14.3.6 |
Related Weaknesses (CWE)
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39943.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/343604Broken Link
- https://hackerone.com/reports/1375393Permissions RequiredThird Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39943.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/343604Broken Link
- https://hackerone.com/reports/1375393Permissions RequiredThird Party Advisory
FAQ
What is CVE-2021-39943?
CVE-2021-39943 is a vulnerability with a CVSS score of 4.3 (MEDIUM). An authorization logic error in the External Status Check API in GitLab EE affecting all versions starting from 14.1 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting...
How severe is CVE-2021-39943?
CVE-2021-39943 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39943?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.