Fortinet Patches Critical Authentication Bypass Vulnerabilities
Source SecurityWeek
Rated by Threat Radar
Data as of 11 Dec 2025, 08:31 UTC
What to do
AI-suggested
Organizations should immediately apply the patches released by Fortinet for all affected products to remediate the authentication bypass vulnerabilities. In parallel, review and audit FortiCloud SSO configurations to ensure they follow best practices and consider temporarily disabling FortiCloud SSO login authentication if patch deployment is delayed. Implement enhanced monitoring of authentication logs and network traffic for unusual or unauthorized access attempts. Employ network segmentation to limit the exposure of Fortinet devices to untrusted networks. Use multi-factor authentication (MFA) where possible to add an additional layer of security beyond FortiCloud SSO. Conduct thorough vulnerability assessments and penetration testing post-patching to verify the effectiveness of mitigations. Maintain an incident response plan tailored to potential compromise of network security devices. Finally, keep abreast of Fortinet advisories and threat intelligence feeds for updates on exploit activity or additional mitigations.
Description
The two security defects impact FortiOS, FortiWeb, FortiProxy, and FortiSwitchManager with FortiCloud SSO login authentication enabled. The post Fortinet Patches Critical Authentication Bypass Vulnerabilities appeared first on SecurityWeek .