Fortinet FortiClient Windows Hard-Coded Cryptographic Key Vulnerability Allowing Decryption of Interprocess Communication

Vulnerability

A vulnerability exists in Fortinet FortiClient for Windows in versions 7.4.0, 7.2.x (all versions), 7.0.x (all versions), and 6.4.x (all versions). The issue arises from the use of a hard-coded cryptographic key, which may enable a low-privileged user to decrypt interprocess communication by monitoring named pipes.

Impact

Exploitation of this vulnerability could lead to unauthorized decryption of interprocess communication, potentially allowing interception of sensitive data.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
6.6
impact
0.6
exploitability
3.3
remediation
0.0
relevance
0.0
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.