critical9.8Known exploited
CVE-2020-12812
Fortinet FortiOS SSL VPN Improper Authentication Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2021-11-03. Federal due date: 2022-05-03.
Apply updates per vendor instructions.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Fortinet | Fortios | before 6.0.10 from 6.2.0 before 6.2.4 Version 6.4.0 |