Unauthenticated arbitrary operations via forged cookies in Fortinet FortiWeb
CVE-2025-64447 is a vulnerability in Fortinet FortiWeb (8.0.0–8.0.1, 7.6.0–7.6.5, 7.4.0–7.4.10, 7.2.0–7.2.11, 7.0.0–7.0.11) caused by reliance on cookies without validation and integrity checking. An unauthenticated remote attacker can send crafted HTTP/HTTPS requests containing forged cookies to execute arbitrary operations on the system. Exploitation requires prior knowledge of the target FortiWeb device serial number.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.