What’s Vulnerable › Vulnerabilities
CVE-2025-22251
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-06-10 · updated 2026-06-17
- Weakness: CWE-923
Description
An improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in FortiOS 7.6.0, 7.4.0 through 7.4.5, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow an unauthenticated attacker to inject unauthorized sessions via crafted FGSP session synchronization packets.
Affected products
- Fortinet FortiOS (FortiGate): from 6.4.0 before 7.4.6; 7.6.0 — fixed in 7.4.6
How to fix
Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 7.4.6. Check the vendor advisory for mitigations.
References
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