FortiWeb
CVE-2025-64447: Reliance on cookies without validation and integrity checking in FortiWeb
A reliance on cookies without validation and integrity checking vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an unauthenticated attacker to execute arbitrary operations on the system via crafted HTTP or HTTPS request via forged cookies, requiring prior knowledge of the FortiWeb serial number.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiWeb 8.0.0 to 8.0.1 | 8.0.2 or later |
| FortiWeb 7.6.0 to 7.6.5 | 7.6.6 or later |
| FortiWeb 7.4.0 to 7.4.10 | 7.4.11 or later |
| FortiWeb 7.2.0 to 7.2.11 | 7.2.12 or later |
| FortiWeb 7.0.0 to 7.0.11 | 7.0.12 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A reliance on cookies without validation and integrity checking vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an unauthenticated attacker to execute arbitrary operations on the system via crafted HTTP or HTTPS request via forged cookies, requiring prior knowledge of the FortiWeb serial number.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.