CVE-2021-43067: Fortinet Fortiauthenticator

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2 and below, version 6.2.1 and below, version 6.1.2 and below, version 6.0.7 to 6.0.1 allows attacker to duplicate a target LDAP user 2 factors authentication token via crafted HTTP requests.

Affected products

• Fortinet Fortiauthenticator: from 6.0.1, up to and including 6.0.7; version 6.1.0 only; version 6.1.1 only; version 6.1.2 only; version 6.2.0 only; version 6.2.1 only; …

Published 2021-12-08. Last modified 2026-06-17.