CVE-2020-13270 — Missing Authorization in Gitlab

CWE-862 — Missing AuthorizationCWE-276 — Incorrect Default Permissions5 documents5 sources
Severity
8.8HIGHNVD
EPSS
0.4%
top 41.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
GitlabDebian GitlabGitlab CE
Timeline
PublishedJun 10
Latest updateMay 24

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages5 packages

▶NVDgitlab/gitlab11.3.0 — 11.9.8+3
▶debiandebian/gitlab< gitlab 13.2.3-2 (sid)
▶CVEListV5gitlab/gitlab>=11.3, <12.9.8, >=12.10, <12.10.7, >=13.0, <13.0.1+2
▶gitlabgitlab/gitlab

🔴Vulnerability Details

2
GHSA
GHSA-wgh9-p42c-pq7h: Missing permission check on fork relation creation in GitLab CE/EE 11↗2022-05-24
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OSV
CVE-2020-13270: Missing permission check on fork relation creation in GitLab CE/EE 11↗2020-06-10
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📋Vendor Advisories

2
GitLab
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 restr↗2020-06-10
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Debian
CVE-2020-13270: gitlab - Missing permission check on fork relation creation in GitLab CE/EE 11.3 and late...↗2020
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