UNKNOWNKNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2020-12812

Fortinet FortiOS SSL VPN Improper Authentication Vulnerability

Published: 2021-11-03
Modified: 2026-07-31
Sources: cisa-kev

Summary

Fortinet FortiOS SSL VPN contains an improper authentication vulnerability that may allow a user to login successfully without being prompted for the second factor of authentication (FortiToken) if they change the case in their username.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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