CVE-2020-12812

Pierluigi Paganini December 25, 2025
Five-year-old Fortinet FortiOS SSL VPN vulnerability actively exploited

Fortinet reported active exploitation of a five-year-old FortiOS SSL VPN flaw, abused in the wild under specific configurations. Fortinet researchers observed “recent abuse” of a five-year-old security vulnerability, tracked as CVE-2020-12812 (CVSS score: 5.2), in FortiOS SSL VPN. The vulnerability is exploited in attacks in the wild under certain configurations. CVE-2020-12812 is an improper authentication flaw […]