CVE-2021-4191
Last modified
CVE-2021-4191 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.. EPSS estimates a 80.00% chance of exploitation in the next 30 days.
Description
An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 13.0.0, < 14.6.5 |
| Gitlab | Gitlab | >= 14.7.0, < 14.7.4 |
| Gitlab | Gitlab | >= 14.8, < 14.8.2 |
References
- https://hackerone.com/reports/1089609Permissions Required, Third Party Advisory
- https://hackerone.com/reports/1089609Permissions 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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