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CVE-2025-64447A reliance on cookies without validation and integrity checking vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0…

Description

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.

Timeline

  1. ID reserved

    By fortinet

  2. · 35 days later

    Published

  3. · 3 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-64447, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1High7.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
NVDNVD · Analyzed3.1High8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
8.9% · top 4.7% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.

Affected products

  • Fortinet · FortiWeb

    • affected 8.0.0 – ≤ 8.0.1
    • affected 7.6.0 – ≤ 7.6.5
    • affected 7.4.0 – ≤ 7.4.10
    • affected 7.2.0 – ≤ 7.2.11
    • affected 7.0.0 – ≤ 7.0.11

What to do

Solution: Upgrade to FortiWeb version 8.0.2 or above Upgrade to FortiWeb version 7.6.6 or above Upgrade to FortiWeb version 7.4.11 or above Upgrade to FortiWeb version 7.2.12 or above Upgrade to FortiWeb version 7.0.12 or above

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .