CVE-2021-39909

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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
GitLabCNA
5.3 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
VendorProductVersion
gitlabgitlab
11.3.0 ≤
𝑥
< 14.2.6
gitlabgitlab
14.3.0 ≤
𝑥
< 14.3.4
gitlabgitlab
14.4.0
gitlabgitlab
11.2.0 ≤
𝑥
< 14.3.4
gitlabgitlab
11.3.0 ≤
𝑥
< 14.4.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
16.8.4-1
fixed
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39909.json
https://gitlab.com/gitlab-org/gitlab/-/issues/335191
https://hackerone.com/reports/1237750
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39909.json
https://gitlab.com/gitlab-org/gitlab/-/issues/335191
https://hackerone.com/reports/1237750