Improper Authentication in Gitlab Community Edition and GitLab Enterprise Edition - #VU49939
Published: January 24, 2021
Vulnerability identifier: #VU49939
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-287
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 bypass authentication process.
The vulnerability exists due to incorrect patch for #VU49353. A remote user can steal a user's API access token through Gitlab pages, bypass the authentication process and gain unauthorized access to the application.
Remediation
Install updates from vendor's website.