CVE-2020-6648

Name: CVE-2020-6648
Creator: NVD / NIST
Published: 2020-10-21T14:15:20.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2020-6648 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.57%

42.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-312

Affected Software

Vendor	Product	Versions
Fortinet	Fortiproxy	< 1.2.10
Fortinet	Fortiproxy	2.0.0
Fortinet	Fortios	< 6.0.12
Fortinet	Fortios	>= 6.2.0, < 6.2.5

References

https://www.fortiguard.com/psirt/FG-IR-20-009Vendor Advisory
https://www.fortiguard.com/psirt/FG-IR-20-236Vendor Advisory
https://www.fortiguard.com/psirt/FG-IR-20-009Vendor Advisory
https://www.fortiguard.com/psirt/FG-IR-20-236Vendor Advisory

Timeline

Published: Oct 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6648?

How severe is CVE-2020-6648?

CVE-2020-6648 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6648?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6648?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST