CVE-2016-4066: Fortinet FortiWeb

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Cross-site request forgery (CSRF) vulnerability in Fortinet FortiWeb before 5.5.3 allows remote attackers to hijack the authentication of administrators for requests that change the password via unspecified vectors.

Affected products

  • Fortinet FortiWeb: up to and including 5.5.2

Published 2016-07-13. Last modified 2026-06-17.