CVE-2021-39892
MEDIUMCVSS 4.3/10EPSS 1.23%
Last modified
CVE-2021-39892 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. In all versions of GitLab CE/EE since version 12.0, a lower privileged user can import users from projects that they don't have a maintainer role on and disclose email addresses of those users.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.
Description
In all versions of GitLab CE/EE since version 12.0, a lower privileged user can import users from projects that they don't have a maintainer role on and disclose email addresses of those users.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 12.0, < 14.1.7 |
| Gitlab | Gitlab | >= 14.2, < 14.2.5 |
| Gitlab | Gitlab | 14.3.0 |
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/28440Exploit, Vendor Advisory
- https://hackerone.com/reports/542539Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/28440Exploit, Vendor Advisory
- https://hackerone.com/reports/542539Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-39892?
In all versions of GitLab CE/EE since version 12.0, a lower privileged user can import users from projects that they don't have a maintainer role on and disclose email addresses of those users.
How severe is CVE-2021-39892?
CVE-2021-39892 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39892?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2021-39892?
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