CVE-2025-64471: fortinet fortiweb
Vulnerability summary
CVE-2025-64471 is a high (CVSS 7.5) vulnerability in fortinet fortiweb. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.7% of scored vulnerabilities.
Timeline
- 09-12-2025PublishedVulnerability first disclosed.
- 14-01-2026Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- CVE.orgCNA4.4MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:CDiffers
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
0.00 pp
From 0.34% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fortinet1 product
- fortiweb≥ 7.6.0, ≤ 7.6.5 | ≥ 7.0.0, ≤ 7.0.11 | ≥ 7.2.0, ≤ 7.2.11 | ≥ 7.4.0, ≤ 7.4.10 | ≥ 7.6.0, ≤ 7.6.4 | ≥ 8.0.0, ≤ 8.0.1
1 vendor · 1 product
References
1 links- fortiguard.fortinet.com/psirt/FG-IR-25-984Vendor Advisory