CVE-2021-39909
Last modified
CVE-2021-39909 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 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 allows an attacker to bypass CODEOWNERS Merge Request approval requirement under rare circumstances. EPSS estimates a 0.59% chance of exploitation in the next 30 days.
Description
Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 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 allows an attacker to bypass CODEOWNERS Merge Request approval requirement under rare circumstances
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 11.3.0, < 14.2.6 |
| Gitlab | Gitlab | >= 14.3.0, < 14.3.4 |
| Gitlab | Gitlab | 14.4.0 |
| Gitlab | Gitlab | >= 11.2.0, < 14.3.4 |
| Gitlab | Gitlab | >= 11.3.0, < 14.4.1 |
References
- https://hackerone.com/reports/1237750Permissions Required, Third Party Advisory
- https://hackerone.com/reports/1237750Permissions Required, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-39909?
How severe is CVE-2021-39909?
How do I fix CVE-2021-39909?
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- 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
- 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-2021-39908In all versions of GitLab CE/EE starting from 0.8.0 before 1…7.5
- 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
- CVE-2021-39914A regular expression denial of service issue in GitLab versi…4.3
Are you affected by CVE-2021-39909?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST