CVE-2020-6983

HIGH

Moxa PT-7528/7828 <4.0/<3.9 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://www.us-cert.gov/ics/advisories/icsa-20-056-03

Scores

CVSS v3 7.5
EPSS 0.0037
EPSS Percentile 59.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-321 CWE-798
Status published
Products (50)
moxa/pt-7528-12msc-12tx-4gsfp-hv-hv_firmware < 4.0
moxa/pt-7528-12msc-12tx-4gsfp-hv_firmware < 4.0
moxa/pt-7528-12msc-12tx-4gsfp-wv-wv_firmware < 4.0
moxa/pt-7528-12msc-12tx-4gsfp-wv_firmware < 4.0
moxa/pt-7528-12mst-12tx-4gsfp-hv-hv_firmware < 4.0
moxa/pt-7528-12mst-12tx-4gsfp-hv_firmware < 4.0
moxa/pt-7528-12mst-12tx-4gsfp-wv-wv_firmware < 4.0
moxa/pt-7528-12mst-12tx-4gsfp-wv_firmware < 4.0
moxa/pt-7528-16msc-8tx-4gsfp-hv-hv_firmware < 4.0
moxa/pt-7528-16msc-8tx-4gsfp-hv_firmware < 4.0
... and 40 more
Published Mar 24, 2020
Tracked Since Feb 18, 2026