CVE-2021-22227
MEDIUMCVSS 6.1/10EPSS 0.95%
Last modified
CVE-2021-22227 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A reflected cross-site script vulnerability in GitLab before versions 13.11.6, 13.12.6 and 14.0.2 allowed an attacker to send a malicious link to a victim and trigger actions on their behalf if they clicked it. EPSS estimates a 0.95% chance of exploitation in the next 30 days.
Description
A reflected cross-site script vulnerability in GitLab before versions 13.11.6, 13.12.6 and 14.0.2 allowed an attacker to send a malicious link to a victim and trigger actions on their behalf if they clicked it
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | < 13.11.6 |
| Gitlab | Gitlab | >= 13.12.0, < 13.12.6 |
| Gitlab | Gitlab | >= 14.0.0, < 14.0.2 |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22227.jsonThird Party Advisory
- https://hackerone.com/reports/834555Permissions Required
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22227.jsonThird Party Advisory
- https://hackerone.com/reports/834555Permissions Required
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22227?
A reflected cross-site script vulnerability in GitLab before versions 13.11.6, 13.12.6 and 14.0.2 allowed an attacker to send a malicious link to a victim and trigger actions on their behalf if they clicked it
How severe is CVE-2021-22227?
CVE-2021-22227 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22227?
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-2021-22227?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST