CVE-2015-1570: Fortinet FortiClient

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

The Endpoint Control protocol implementation in Fortinet FortiClient 5.2.3.091 for Android and 5.2.028 for iOS does not validate certificates, which makes it easier for man-in-the-middle attackers to spoof servers via a crafted certificate.

Affected products

• Fortinet FortiClient: version 5.2.3.091 only; version 5.2.028 only

Published 2015-02-10. Last modified 2026-06-17.