CVE-2020-6648: Fortinet FortiOS

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A cleartext storage of sensitive information vulnerability in FortiOS command line interface in versions 6.2.4 and earlier and FortiProxy 2.0.0, 1.2.9 and earlier may allow an authenticated attacker to obtain sensitive information such as users passwords by connecting to FortiGate CLI and executing the "diag sys ha checksum show" command.

Affected products

• Fortinet FortiOS: before 6.0.12 (fixed in 6.0.12); from 6.2.0, before 6.2.5 (fixed in 6.2.5)
• Fortinet FortiProxy: before 1.2.10 (fixed in 1.2.10); version 2.0.0 only

Published 2020-10-21. Last modified 2026-06-17.