10,000+ Fortinet Firewalls Still Exposed to 5

Cybersecuritynews •Guru Baran • January 2, 2026

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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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Over 10,000 Fortinet Firewalls Vulnerable to MFA Bypass Flaw More than 10,000 Fortinet firewalls globally are still exposed to CVE-2020-12812, a multi-factor authentication bypass vulnerability. This flaw, linked to improper authentication in FortiOS SSL VPN, was disclosed over five years ago and remains actively exploited, as confirmed by Fortinet in late 2025. 2 sources 35

Extracted Entities

10,000+ Fortinet Firewalls Still Exposed to 5

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Extracted Entities

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