CVE-2025-64471

Description

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

CVSS v3.1 Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness Type (CWE)

CWE-836 CWE-836

Affected Products

Vendor	Product	Versions
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

References

Advisories & Patches

https://fortiguard.fortinet.com/psirt/FG-IR-25-984

Frequently Asked Questions

What is CVE-2025-64471? +

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 It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2025-64471? +

CVE-2025-64471 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-64471? +

CVE-2025-64471 affects products from fortinet, specifically: fortiweb. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-64471? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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