CVE-2021-39909 Information

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

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Reference

https://hackerone.com/reports/1237750 https://gitlab.com/gitlab-org/gitlab/-/issues/335191 https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39909.json

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.3