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Fortinet FortiOS Improper Certificate Validation Vulnerability Allowing Connection via Revoked Certificate

Vulnerability

A vulnerability allowing improper certificate validation has been identified in Fortinet FortiOS versions 7.6.1 and prior, as well as 7.4.7 and prior. This vulnerability may enable an EAP-verified remote user to connect through FortiClient using a revoked certificate.

Impact

Exploitation of this vulnerability could lead to unauthorized connections being established via FortiClient, using revoked certificates that should not be trusted.

Added: Jun 10, 2025, 6:30 PM
Updated: Jun 10, 2025, 6:30 PM

Vulnerability Rating

Custom Algorithm
spread
6.8
impact
0.0
exploitability
7.0
remediation
0.0
relevance
0.2
threat
0.0
urgency
2.9
incentive
5.8

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