CyberCVE

CVE-2025-64447

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 thro

Severity
High 7.1
CVSS 3.1
Exploited
Not listed
EPSS
0.084
94.7th percentile
Discovered by
Vendor
Vendor advisory field
Published
Dec 9, 2025
Assigned by fortinet

Description

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.

Weakness: CWE-565

Affected products

Vendor Product Category Matched by
Fortinet FortiWeb Web & Application Security cna-assigner
Vendor-reported products (1)
  • Fortinet · FortiWeb

Credit

Internally discovered by Fortiweb development team. Fortinet is also pleased to thank Jason McFadyen of Trend Research for reporting this vulnerability under responsible disclosure.

Vendor remediation

Upgrade to FortiWeb version 8.0.2 or above Upgrade to FortiWeb version 7.6.6 or above Upgrade to FortiWeb version 7.4.11 or above Upgrade to FortiWeb version 7.2.12 or above Upgrade to FortiWeb version 7.0.12 or above

References

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