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01 Record

CVE-2020-6983

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

UnratedPUBLISHEDCNA: icscert
CNA base scoreUnratedNo CNA CVSS vector

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.48% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 73.7% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-03-24 18:57Z6 YR AGO
Last updated
2024-08-04 09:18Z2 YR AGO
Reserved
2020-01-14
Assigning CNA
icscert
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-321Use of Hard-coded Cryptographic KeyVariant
  • CWE-798Use of Hard-coded CredentialsBase
Data version
5.1
Document digest
a8651e04313066f7b84e0c8c741473b5f8859a25b6121e2265c7948438c9acab

05 Affected products

VendorProductVersionsPlatforms
n/aMoxa PT-7528 series firmware, Version 4.0 or lower, PT-7828 series firmware, Version 3.9 or lowerMoxa PT-7528 series firmware, Version 4.0 or lower, PT-7828 series firmware, Version 3.9 or lower—

06 References