CVE-2023-4658

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the `Allowed to merge` permission as a guest user, when granted the permission through a group.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.1 LOW
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
GitLabCNA
3.1 LOW
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 20%
VendorProductVersion
gitlabgitlab
8.13.0 ≤
𝑥
< 16.4.3
gitlabgitlab
16.5.0 ≤
𝑥
< 16.5.3
gitlabgitlab
16.6.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
16.8.4-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
mantic
dne
lunar
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/gitlab/-/issues/423835
https://hackerone.com/reports/2104540
https://gitlab.com/gitlab-org/gitlab/-/issues/423835
https://hackerone.com/reports/2104540