Zero-day vulnerability in FortiOS

Path traversal

Vulnerability details

Advisory: SB2023030925 - Privilege escalation in FortiOS

Vulnerable component: FortiOS

CVE-ID: CVE-2022-41328

CVSSv3 score: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:H/RL:O/RC:C

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')


The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing certain CLI command. A local user can read and write arbitrary files on the system.

Note, the vulnerability is being actively exploited in the wild.