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Fortinet has issued security updates for several products, including FortiOS, to fix vulnerabilities that could allow cyber attackers to take control of affected systems.
CISA encourages users and administrators to review the following advisories and apply necessary updates.
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FG-IR-23-396 ReadOnly Users Could Run Some Sensitive Operations:
A client-side enforcement of server-side security vulnerability [CWE-602] in FortiAnalyzer may allow an authenticated attacker with at least read-only permission to execute sensitive operations via crafted requests.
FG-IR-23-475 FortiOS – SSLVPN Session Hijacking Using SAML Authentication:
A session fixation vulnerability [CWE-384] in FortiOS may allow an unauthenticated attacker to hijack user session via a phishing SAML authentication link.
FG-IR-24-144 Privilege Escalation via Lua Auto Patch Function:
A privilege context switching error vulnerability [CWE-270] in FortiClient Windows may allow an authenticated user to escalate their privileges via lua auto patch scripts.
FG-IR-24-199 Named Pipes Improper Access Control:
An authentication bypass using an alternate path or channel vulnerability (CWE-288) in FortiClient (Windows) may allow a low privilege attacker to execute arbitrary code with high privilege via spoofed named pipe messages.
