CVE-2020-6648

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-10-21 · updated 2026-06-17
Weakness: CWE-312

Description

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 (FortiGate): before 6.0.12; from 6.2.0 before 6.2.5 — fixed in 6.0.12, 6.2.5
Fortinet FortiProxy: before 1.2.10; 2.0.0 — fixed in 1.2.10

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 6.0.12, 6.2.5; Fortinet FortiProxy 1.2.10. Check the vendor advisory for mitigations.

References

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