10,000+ Fortinet Firewalls Still Exposed to 5-year Old MFA Bypass Vulnerability

Over 10,000 Fortinet firewalls worldwide remain vulnerable to CVE-2020-12812, a multi-factor authentication (MFA) bypass flaw disclosed over five and a half years ago. Shadowserver recently added the issue to its daily Vulnerable HTTP Report, highlighting persistent exposure amid active exploitation confirmed by Fortinet in late 2025.​ CVE-2020-12812 stems from improper authentication in FortiOS SSL VPN […]

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