CVE-2020-12812

high-risk
Published 2020-07-24

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.

Do I need to act?

!
48.5% chance of exploitation in next 30 days
EPSS score — higher than 52% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Fortinet

References (3)

Vendor Advisory https://fortiguard.com/psirt/FG-IR-19-283
Vendor Advisory https://fortiguard.com/psirt/FG-IR-19-283
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-...
64
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 25/34 · High
Exposure 7/34 · Low