Vulnerability Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitLab Maven Package registry is vulnerable to a regular expression denial of service when a specifically crafted string is sent.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 13.2.0, < 14.3.6 |
Related Weaknesses (CWE)
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39940.jsonThird Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/263116Broken Link
- https://hackerone.com/reports/997961Permissions RequiredThird Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39940.jsonThird Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/263116Broken Link
- https://hackerone.com/reports/997961Permissions RequiredThird Party Advisory
FAQ
What is CVE-2021-39940?
CVE-2021-39940 is a vulnerability with a CVSS score of 4.3 (MEDIUM). An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitL...
How severe is CVE-2021-39940?
CVE-2021-39940 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-2021-39940?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.