CVE-2019-16150: Fortinet FortiClient

Medium severity, CVSS 5.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Use of a hard-coded cryptographic key to encrypt security sensitive data in local storage and configuration in FortiClient for Windows prior to 6.4.0 may allow an attacker with access to the local storage or the configuration backup file to decrypt the sensitive data via knowledge of the hard-coded key.

Affected products

• Fortinet FortiClient: before 6.4.0 (fixed in 6.4.0)

Published 2020-06-04. Last modified 2026-06-17.