Vulnerability · CVE-2025-64447
A reliance on cookies without validation and integrity checking 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,
Published Dec 9, 2025 · catalog updated Feb 26, 2026 · Fortinet FortiWeb
Last checked Nov 2, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-64447. EPSS is 8.35%. Act only if a listed version of Fortinet FortiWeb is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-59719 · Critical · known exploited
- CVE-2025-64471 · Medium
- CVE-2025-59669 · Medium
- CVE-2025-58034 · High · known exploited
- CVE-2025-64446 · Critical · known exploited
- Severity
- High7.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 8.35%
- Remediation
- Vendor / distro source
- Affected products
- vendor Fortinet FortiWeb 7.4.0 ≤7.4.10
A reliance on cookies without validation and integrity checking 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 execute arbitrary operations on the system via crafted HTTP or HTTPS request via forged cookies, requiring prior knowledge of the FortiWeb serial number.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Fortinet FortiWeb 7.4.0 ≤7.4.107.4.0 ≤7.4.10
How to fix CVE-2025-64447
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 7.4.0 ≤7.4.10
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-64447. EPSS is 8.35%. Act only if a listed version of Fortinet FortiWeb is installed.
Which versions are affected?
Compare what you have installed with Fortinet FortiWeb 7.4.0 ≤7.4.10 7.4.0 ≤7.4.10. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 8.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 9, 2025 · EUVD
Detected
A reliance on cookies without validation and integrity checking 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 execute arbitrary operations on the system via crafted HTTP or HTTPS request via forged cookies, requiring prior know
Feb 26, 2026 · EUVD
Updated
A reliance on cookies without validation and integrity checking 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 execute arbitrary operations on the system via crafted HTTP or HTTPS request via forged cookies, requiring prior know
Sources
- CVE.orgVulnerability recordCVE-2025-64447
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-64447
30-day exploitation probability 8.35%
first.org - EUVDVulnerability recordEUVD-2025-202281
A reliance on cookies without validation and integrity checking 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
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 2, 2026
- CVE.orgOct 27, 2026
- EUVDOct 26, 2026