FortiOS SSL-VPN 7.4.4 - Insufficient Session Expiration & Cookie Reuse
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Rated by Threat Radar
Data as of 19 Jul 2025, 21:11 UTC
What to do
AI-suggested
Organizations should immediately verify if they are running FortiOS SSL-VPN version 7.4.4 and prioritize upgrading to a patched version once available from Fortinet. In the absence of an official patch, administrators should enforce strict session timeout policies and consider implementing additional layers of session validation, such as multi-factor authentication (MFA) on every session re-establishment. Network monitoring should be enhanced to detect anomalous session reuse patterns or multiple concurrent sessions from the same user credentials. Employing secure cookie attributes (HttpOnly, Secure, SameSite) can reduce cookie theft risks. VPN logs should be audited regularly to identify suspicious activity. Additionally, endpoint security controls should be strengthened to prevent session token theft via malware or phishing. Segmentation of VPN access to limit exposure of critical assets can reduce potential damage from compromised sessions.
Description
FortiOS SSL-VPN 7.4.4 - Insufficient Session Expiration & Cookie Reuse
Indicators of compromise
Exploit source code
#!/usr/bin/env python3
"""
# Exploit Title: FortiOS SSL-VPN 7.4.4 - Insufficient Session Expiration & Cookie Reuse
# Date: 2025-06-15
# Exploit Author: Shahid Parvez Hakim (BugB Technologies)
# Vendor Homepage: https://www.fortinet.com
# Software Link: https://www.fortinet.com/products/secure-sd-wan/fortigate
# Version: FortiOS 7.6.0, 7.4.0-7.4.7, 7.2.0-7.2.10, 7.0.x (all), 6.4.x (all)
# Tested on: FortiOS 7.4.x, 7.2.x
# CVE: CVE-2024-50562
# CVSS: 4.4 (Medium)
# Category: Session Management
# C…