Description
In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.
References (2)
Core 2
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/335137
Vendor Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json
Scores
CVSS v3
5.9
EPSS
0.0087
EPSS Percentile
53.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-212
Status
published
Products (1)
gitlab/gitlab
8.0.0 - 14.1.7 (2 CPE variants)
Published
Oct 05, 2021
Tracked Since
Feb 18, 2026