#VU119429 Insufficient Session Expiration in FortiOS - CVE-2025-62631
Published: December 9, 2025
Vulnerability identifier: #VU119429
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-62631
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FortiOS
FortiOS
Software vendor:
Fortinet, Inc
Fortinet, Inc
Description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The vulnerability exists due to insufficient session expiration in SSLVPN. An attacker can maintain access to network resources via an active session not terminated after a user's password change under particular conditions outside of the attacker's control.
Remediation
Install update from vendor's website.