CVE-2021-39937
Last modified
CVE-2021-39937 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A collision in access memoization logic in all versions of GitLab CE/EE before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, leads to potential elevated privileges in groups and projects under rare circumstances. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
Description
A collision in access memoization logic in all versions of GitLab CE/EE before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, leads to potential elevated privileges in groups and projects under rare circumstances
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | < 14.3.6 |
| Gitlab | Gitlab | >= 14.4.0, < 14.4.4 |
| Gitlab | Gitlab | >= 14.5.0, < 14.5.2 |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.jsonThird Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.jsonThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-39937?
How severe is CVE-2021-39937?
How do I fix CVE-2021-39937?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-39931An issue has been discovered in GitLab CE/EE affecting all v…4.3
- CVE-2021-39932An issue has been discovered in GitLab CE/EE affecting all v…4.3
- CVE-2021-39933An issue has been discovered in GitLab CE/EE affecting all v…6.5
- CVE-2021-39934Improper access control allows any project member to retriev…4.3
- CVE-2021-39935An issue has been discovered in GitLab CE/EE affecting all v…7.5
- CVE-2021-39936Improper access control in GitLab CE/EE affecting all versio…4.3
- CVE-2021-39938A vulnerable regular expression pattern in GitLab CE/EE sinc…6.5
- CVE-2021-39939An uncontrolled resource consumption vulnerability in GitLab…6.5
- CVE-2021-3994django-helpdesk is vulnerable to Improper Neutralization of …9.6
- CVE-2021-39940An issue has been discovered in GitLab CE/EE affecting all v…6.5
- CVE-2021-39941An information disclosure vulnerability in GitLab CE/EE vers…5.3
- CVE-2021-39942A denial of service vulnerability in GitLab CE/EE affecting …6.5
Are you affected by CVE-2021-39937?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST