CVE-2020-12812

Known Exploited

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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 50.32% Top 5%
KEV Since 
Vendor Advisory fortiguard.com
Affected: n/a Fortinet FortiOS
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-19-283 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-12812?
CVE-2020-12812 has been scored as a critical severity vulnerability.
How to fix CVE-2020-12812?
To fix CVE-2020-12812, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12812 being actively exploited in the wild?
It is confirmed that CVE-2020-12812 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~50% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-12812?
CVE-2020-12812 affects n/a Fortinet FortiOS.
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