VULNERABILITY INTELLIGENCE

CVE-2020-6983

CVSS score7.5 HIGH

EPSS probability1.48%

CISA KEVNot currently listed

Published2020-03-24

Last modified2026-06-17

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

Description

In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, the affected products use a hard-coded cryptographic key, which increases the possibility that confidential data can be recovered.

Weakness classification

CWE-321: Use of Hard-coded Cryptographic Key
CWE-798: Use of Hard-coded Credentials

Primary references

ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource