FortiWeb 7.0-8.0.x: Auth via Password Hash Replay
CVE-2025-64471 Published on December 9, 2025

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

NVD

Vulnerability Analysis

CVE-2025-64471 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

Use of Password Hash Instead of Password for Authentication

The software records password hashes in a data store, receives a hash of a password from a client, and compares the supplied hash to the hash obtained from the data store.


Products Associated with CVE-2025-64471

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Fortinet FortiWeb
 

Affected Versions

Fortinet FortiWeb:

Exploit Probability

EPSS
0.05%
Percentile
16.61%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.