CRITICAL CISA KEV

CVE-2020-12812

CVSS v3

9.8

CRITICAL

EPSS Score

47.0%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
5/3/2022
Ransomware Use
Known

Technical details

Published
7/24/2020

Frequently asked questions

What is CVE-2020-12812?

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.

Is CVE-2020-12812 actively exploited?

Yes. CVE-2020-12812 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/3/2022.

What is the CVSS score for CVE-2020-12812?

CVE-2020-12812 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-12812 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.