CVE-2021-39935

EUVD-2021-26291
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API
SSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
GitLabCNA
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 97%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
10.5.0 ≤
𝑥
< 14.3.6
gitlabgitlab
10.5.0 ≤
𝑥
< 14.3.6
gitlabgitlab
14.4.0 ≤
𝑥
< 14.4.4
gitlabgitlab
14.4.0 ≤
𝑥
< 14.4.4
gitlabgitlab
14.5.0 ≤
𝑥
< 14.5.2
gitlabgitlab
14.5.0 ≤
𝑥
< 14.5.2
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
bionic
dne
focal
dne
hirsute
dne
impish
dne
jammy
dne
kinetic
dne
lunar
dne
mantic
dne
noble
dne
trusty
ignored
xenial
ignored
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json
https://gitlab.com/gitlab-org/gitlab/-/issues/346187
https://hackerone.com/reports/1236965
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json
https://gitlab.com/gitlab-org/gitlab/-/issues/346187
https://hackerone.com/reports/1236965
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935