CVE-2025-64471: High severity Fortinet FortiWeb vulnerability

Published Dec 9, 2025
·
Updated

A use of password hash instead of password for authentication vulnerability [CWE-836] 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 use the hash in place of the password to authenticate via crafted HTTP/HTTPS requests

Affected Software

6 affected components
Fortinet FortiWeb>=8.0.0<=8.0.1, >=7.6.0<=7.6.4, >=7.4.0<=7.4.10, >=7.2.0<=7.2.11, >=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<=7.6.4
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
News Published
via BleepingComputer·06:36 PM
Dec 10, 2025
News Published
via BleepingComputer·06:39 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-64471?

The severity of CVE-2025-64471 is classified as high, due to the potential for unauthenticated access to sensitive information.

2

How do I fix CVE-2025-64471?

To fix CVE-2025-64471, upgrade Fortinet FortiWeb to version 8.0.2 or later, or to the latest version of the affected series.

3

Which versions of Fortinet FortiWeb are affected by CVE-2025-64471?

CVE-2025-64471 affects FortiWeb versions 8.0.0 to 8.0.1, 7.6.0 to 7.6.4, 7.4.0 to 7.4.10, 7.2.0 to 7.2.11, and 7.0.0 to 7.0.11.

4

What type of vulnerability is CVE-2025-64471?

CVE-2025-64471 is a use of password hash instead of password for authentication vulnerability.

5

Could CVE-2025-64471 allow unauthorized access?

Yes, CVE-2025-64471 may allow an unauthenticated attacker to bypass security measures and gain access.

Contact

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