CVE-2021-39889

In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
GitLabCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
gitlabgitlab
14.1.0 ≤
𝑥
< 14.1.7
gitlabgitlab
14.2.0 ≤
𝑥
< 14.2.5
gitlabgitlab
14.3.0 ≤
𝑥
< 14.3.1
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
impish
dne
hirsute
dne
focal
dne
bionic
dne
xenial
ignored
trusty
dne
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json
https://gitlab.com/gitlab-org/gitlab/-/issues/338062
https://hackerone.com/reports/1294017
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json
https://gitlab.com/gitlab-org/gitlab/-/issues/338062
https://hackerone.com/reports/1294017