CVE-2021-39931
Last modified
CVE-2021-39931 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.11 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Under specific condition an unauthorised project member was allowed to delete a protected branches due to a business logic error.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.11 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Under specific condition an unauthorised project member was allowed to delete a protected branches due to a business logic error.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 8.11.0, < 14.3.6 |
| Gitlab | Gitlab | >= 14.4.0, < 14.4.4 |
| Gitlab | Gitlab | >= 14.5.0, < 14.5.2 |
References
- https://hackerone.com/reports/1318379Permissions Required, Third Party Advisory
- https://hackerone.com/reports/1318379Permissions Required, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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