CVE-2021-39903

In all versions of GitLab CE/EE since version 13.0, a privileged user, through an API call, can change the visibility level of a group or a project to a restricted option even after the instance administrator sets that visibility option as restricted in settings.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
GitLabCNA
6.5 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 48%
VendorProductVersion
gitlabgitlab
13.0.0 ≤
𝑥
< 14.2.6
gitlabgitlab
13.0.0 ≤
𝑥
< 14.2.6
gitlabgitlab
14.3.0 ≤
𝑥
< 14.3.4
gitlabgitlab
14.3.0 ≤
𝑥
< 14.3.4
gitlabgitlab
14.4.0
gitlabgitlab
14.4.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
16.8.4-1
fixed
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.json
https://gitlab.com/gitlab-org/gitlab/-/issues/300017
https://hackerone.com/reports/1086781
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39903.json
https://gitlab.com/gitlab-org/gitlab/-/issues/300017
https://hackerone.com/reports/1086781