CVE-2020-13270

Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
GitLabCNA
7.5 HIGH
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 44%
VendorProductVersion
gitlabgitlab
11.3.0 ≤
𝑥
< 11.9.8
gitlabgitlab
11.3.0 ≤
𝑥
< 12.9.8
gitlabgitlab
12.10.0 ≤
𝑥
< 12.10.7
gitlabgitlab
12.10.0 ≤
𝑥
< 12.10.7
gitlabgitlab
13.0.0 ≤
𝑥
< 13.0.1
gitlabgitlab
13.0.0 ≤
𝑥
< 13.0.1
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
groovy
dne
focal
dne
bionic
dne
xenial
ignored
trusty
dne
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json
https://gitlab.com/gitlab-org/gitlab/-/issues/24648
https://hackerone.com/reports/419977
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json
https://gitlab.com/gitlab-org/gitlab/-/issues/24648
https://hackerone.com/reports/419977