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
- 2021-11-03
- Patch Due Date
- 2022-05-03
- Ransomware Use
- Known
Technical details
- Published
- 2020-07-24
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 2022-05-03.
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?
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