Description
In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query
References (3)
Core 3
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/195327
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/762271
Vendor Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13334.json
Scores
CVSS v3
5.9
EPSS
0.0017
EPSS Percentile
38.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-863
Status
published
Products (1)
gitlab/gitlab
8.6.0 - 13.2.10 (2 CPE variants)
Published
Oct 07, 2020
Tracked Since
Feb 18, 2026