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OpenAdvisories
High · 7.5 Known exploited · Ransomware CVE-2020-12812 EUVD-2020-5095GHSA-r9cj-q2hj-hfq9

An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to lo…

Published Jul 24, 2020 · Updated Oct 1, 2026 · Assigned by fortinet

Description

An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.

Affected products

VendorProductAffectedFixed
— Fortinet FortiOS FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below —

References