CVE-2021-22172
MEDIUMCVSS 4.3/10EPSS 1.02%
Last modified
CVE-2021-22172 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccessible on the releases page. EPSS estimates a 1.02% chance of exploitation in the next 30 days.
Description
Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccessible on the releases page
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 12.8.0, < 13.6.6 |
| Gitlab | Gitlab | >= 13.7.0, < 13.7.6 |
| Gitlab | Gitlab | >= 13.8.0, < 13.8.2 |
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/212911Exploit, Issue Tracking, Patch, Vendor Advisory
- https://hackerone.com/reports/833334Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/212911Exploit, Issue Tracking, Patch, Vendor Advisory
- https://hackerone.com/reports/833334Permissions Required, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22172?
Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccessible on the releases page
How severe is CVE-2021-22172?
CVE-2021-22172 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22172?
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-2021-22172?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST