Fortinet has released security updates to address vulnerabilities in multiple products, including FortiOS. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.

Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the following advisories and apply necessary updates:

• FG-IR-23-396 ReadOnly Users Could Run Some Sensitive Operations
• FG-IR-23-475 FortiOS - SSLVPN Session Hijacking Using SAML Authentication
• FG-IR-24-144 Privilege Escalation via Lua Auto Patch Function
• FG-IR-24-199 Named Pipes Improper Access Control