#VU57016 Information disclosure in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39891
Published: October 4, 2021
Vulnerability identifier: #VU57016
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-39891
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Gitlab Community Edition
GitLab Enterprise Edition
Gitlab Community Edition
GitLab Enterprise Edition
Software vendor:
GitLab, Inc
GitLab, Inc
Description
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation. A remote administrator can gain unauthorized access to sensitive information on the system.
Remediation
Install updates from vendor's website.