CVE-2025-64447: High severity Fortinet FortiWeb vulnerability

Published Dec 9, 2025
·
Updated

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.

Affected Software

10 affected components
Fortinet FortiWeb>=8.0.0<=8.0.1
Fortinet FortiWeb>=7.6.0<=7.6.5
Fortinet FortiWeb>=7.4.0<=7.4.10
Fortinet FortiWeb>=7.2.0<=7.2.11
Fortinet FortiWeb>=7.0.0<=7.0.11
Fortinet FortiWeb>=7.0.0<=7.0.11
Fortinet FortiWeb>=7.2.0<=7.2.11
Fortinet FortiWeb>=7.4.0<=7.4.10
Fortinet FortiWeb>=7.6.0<=7.6.5
Fortinet FortiWeb>=8.0.0<=8.0.1

Remediation

Information

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

Event History

Dec 9, 2025
CVE Published
via MITRE·05:18 PM
Data Sourced
via MITRE·05:18 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-64447?

CVE-2025-64447 is considered a high-severity vulnerability due to its potential for unauthorized access and arbitrary command execution.

2

What versions of FortiWeb are affected by CVE-2025-64447?

CVE-2025-64447 affects Fortinet FortiWeb versions 8.0.0 to 8.0.1, 7.6.0 to 7.6.5, 7.4.0 to 7.4.10, 7.2.0 to 7.2.11, and 7.0.0 to 7.0.11.

3

How do I fix CVE-2025-64447?

To mitigate CVE-2025-64447, users should upgrade to a patched version of FortiWeb as recommended by Fortinet.

4

Can CVE-2025-64447 be exploited remotely?

Yes, CVE-2025-64447 can be exploited remotely by an unauthenticated attacker.

5

What could an attacker achieve by exploiting CVE-2025-64447?

An attacker exploiting CVE-2025-64447 could execute arbitrary commands on the affected FortiWeb devices.

Contact

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