CVE-2020-12812

critical · 9.8Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply updates per vendor instructions.

Added 2021-11-03Remediation due 2022-05-03

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.

9.8

CVSS

49.3%

EPSS (exploit prob.)

99th

EPSS percentile

2020-07-24

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-178CWE-287

Affected products

Vendor	Product	Affected versions
fortinet	fortios	< 6.0.10
fortinet	fortios	>= 6.2.0, < 6.2.4
fortinet	fortios	6.4.0

Check a specific version with /api/v1/cve/match.

References

https://fortiguard.com/psirt/FG-IR-19-283
https://fortiguard.com/psirt/FG-IR-19-283
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-12812

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2020-12812