CVE-2021-39871

In all versions of GitLab CE/EE since version 13.0, an instance that has the setting to disable Bitbucket Server import enabled is bypassed by an attacker making a crafted API call.
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:N/I:L/A:N
GitLabCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
VendorProductVersion
gitlabgitlab
13.0.0 ≤
𝑥
< 14.1.7
gitlabgitlab
13.0.0 ≤
𝑥
< 14.1.7
gitlabgitlab
14.2.0 ≤
𝑥
< 14.2.5
gitlabgitlab
14.2.0 ≤
𝑥
< 14.2.5
gitlabgitlab
4.3.0
gitlabgitlab
4.3.0
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
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
focal
dne
bionic
dne
xenial
ignored
trusty
dne
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39871.json
https://gitlab.com/gitlab-org/gitlab/-/issues/340782
https://hackerone.com/reports/630263
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39871.json
https://gitlab.com/gitlab-org/gitlab/-/issues/340782
https://hackerone.com/reports/630263