CVE-2014-0351: Fortinet FortiOS

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

The FortiManager protocol service in Fortinet FortiOS before 4.3.16 and 5.x before 5.0.8 on FortiGate devices does not prevent use of anonymous ciphersuites, which makes it easier for man-in-the-middle attackers to obtain sensitive information or interfere with communications by modifying the client-server data stream.

Affected products

• Fortinet FortiOS: up to and including 4.3.15; version 4.3.10 only; version 4.3.12 only; version 4.3.13 only; version 4.3.14 only; version 5.0.0 only; …

Published 2014-09-10. Last modified 2026-06-17.