Is CVE-2025-64471 in the CISA KEV catalog?

No. CVE-2025-64471 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-64471?

CVE-2025-64471 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2025-64471?

CVE-2025-64471 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-64471?

No published fix for CVE-2025-64471 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-64471

MEDIUM

4.9

CVSS v3

NVD

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

CWE-836

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Vendor Advisory1

fortiguard.fortinet.com

Related Vulnerabilities

Other CWE-836 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-7927	High	7.3	37%	-	-
CVE-2023-34132	Critical	9.8	7.7%	-	Fix
CVE-2022-32282	High	8.8	1.6%	-	-
CVE-2021-23857	Critical	10.0	1.2%	-	-
CVE-2023-23614	High	8.8	1.0%	-	Fix
CVE-2023-23450	Medium	6.2	0.7%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-10.