Main Vulnerability Database Vulnerabilities #VU46315

Session Fixation in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2020-13299

Published: September 7, 2020

Vulnerability identifier: #VU46315

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2020-13299

CWE-ID: CWE-384

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: GitLab, Inc

Affected software:
Gitlab Community Edition
GitLab Enterprise Edition

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to the revocation feature does not revoke all session tokens. A remote attacker can re-use it to obtain a valid session.

Install updates from vendor's website.