CVE-2025-64447 HIGH

CVE-2025-64447

Vendor Fortinet
Product FortiWeb
Weakness CWE-565 · Reliance on cookies
Published December 9, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 9, 2025 CVE published
February 26, 2026 Record updated