CVE-2021-39908
Last modified
CVE-2021-39908 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In all versions of GitLab CE/EE starting from 0.8.0 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.
Description
In all versions of GitLab CE/EE starting from 0.8.0 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 0.8.0, < 14.2.6 |
| Gitlab | Gitlab | >= 14.3.0, < 14.3.4 |
| Gitlab | Gitlab | 14.4.0 |
References
- https://hackerone.com/reports/1280077Permissions Required, Third Party Advisory
- https://hackerone.com/reports/1280077Permissions 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.
- 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.
Related CVEs from 2021
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- CVE-2021-39903In all versions of GitLab CE/EE since version 13.0, a privil…6.5
- CVE-2021-39904An Improper Access Control vulnerability in the GraphQL API …4.3
- CVE-2021-39905An information disclosure vulnerability in the GitLab CE/EE …4.3
- CVE-2021-39906Improper validation of ipynb files in GitLab CE/EE version 1…6.1
- CVE-2021-39907A potential DOS vulnerability was discovered in GitLab CE/EE…5.3
- CVE-2021-39909Lack of email address ownership verification in the CODEOWNE…5.3
- CVE-2021-3991An Improper Authorization vulnerability exists in Dolibarr v…4.3
- CVE-2021-39910An issue has been discovered in GitLab CE/EE affecting all v…4.3
- CVE-2021-39911An improper access control flaw in all versions of GitLab CE…4.3
- CVE-2021-39912A potential DoS vulnerability was discovered in GitLab CE/EE…5.3
- CVE-2021-39913Accidental logging of system root password in the migration …6.7
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Scan your code nowSource: NVD / NIST