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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.

Known ransomware use

CVE-2020-12812

Fortinet FortiOS SSL VPN Improper Authentication Vulnerability

Fortinet · FortiOS

Added to KEV November 3, 2021

Alert details

Source feed
CISA KEV
CVE ID
CVE-2020-12812
CWE
CWE-178CWE-287
Affected products
FortiOS · Fortinet FortiOS · Fortinet

What happened

Fortinet FortiOS SSL VPN contains an improper authentication vulnerability that may allow a user to login successfully without being prompted for the second factor of authentication (FortiToken) if they change the case in their username.

What it means for your business

Fortinet FortiOS is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-12812). Fortinet FortiOS SSL VPN contains an improper authentication vulnerability that may allow a user to login successfully without being prompted for the second factor of authentication (FortiToken) if they change the case in their username. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022

Sources

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