Home/CVE/A use of password hash instead of password for authentication vulnerability [CWE-836] vulnerability in Fortinet FortiWeb
CVE

CVE-2025-64471

A use of password hash instead of password for authentication vulnerability [CWE-836] vulnerability in Fortinet FortiWeb

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.

MEDIUM · CVSS 4.9 EPSS 0.00073
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-836Use of Password Hash Instead of Password for Authentication
▤

Affected Products & Versions

5
fortinet fortiweb>= 7.0.0 and <= 7.0.11
fortinet fortiweb>= 7.2.0 and <= 7.2.11
fortinet fortiweb>= 7.4.0 and <= 7.4.10
fortinet fortiweb>= 7.6.0 and <= 7.6.4
fortinet fortiweb>= 8.0.0 and <= 8.0.1
▣

Scoring & Timeline

4.9
MEDIUM · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Dec 2025 · 06:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.fortinet.com/psirt/FG-IR-25-984Vendor Advisory
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