CVE-2019-17655: Fortinet FortiOS

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

A cleartext storage in a file or on disk (CWE-313) vulnerability in FortiOS SSL VPN 6.2.0 through 6.2.2, 6.0.9 and earlier and FortiProxy 2.0.0, 1.2.9 and earlier may allow an attacker to retrieve a logged-in SSL VPN user's credentials should that attacker be able to read the session file stored on the targeted device's system.

Affected products

• Fortinet FortiOS: before 6.2.3 (fixed in 6.2.3)

Published 2020-06-16. Last modified 2026-06-17.