CVE-2023-2181

An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
GitLabCNA
6.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
CVEADP
---
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CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 56%
VendorProductVersion
gitlabgitlab
𝑥
< 15.9.8
gitlabgitlab
15.10.0 ≤
𝑥
< 15.10.7
gitlabgitlab
15.11.0 ≤
𝑥
< 15.11.3
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
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
ignored
trusty
ignored
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2181.json
https://gitlab.com/gitlab-org/gitlab/-/issues/407859
https://hackerone.com/reports/1938185
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2181.json
https://gitlab.com/gitlab-org/gitlab/-/issues/407859
https://hackerone.com/reports/1938185