High severity7.5NVD Advisory· Published Mar 24, 2020· Updated Jun 17, 2026
CVE-2020-6987
CVE-2020-6987
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 weak cryptographic algorithm, which may allow confidential information to be disclosed.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
58- cpe:2.3:o:moxa:pt-7528-12msc-12tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-12msc-12tx-4gsfp-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-12msc-12tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-12msc-12tx-4gsfp-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-12mst-12tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-12mst-12tx-4gsfp-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-12mst-12tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-12mst-12tx-4gsfp-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-16msc-8tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-16msc-8tx-4gsfp-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-16msc-8tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-16msc-8tx-4gsfp-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-16mst-8tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-16mst-8tx-4gsfp-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-16mst-8tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-16mst-8tx-4gsfp-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-20msc-4tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-20msc-4tx-4gsfp-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-20msc-4tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-20msc-4tx-4gsfp-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-20mst-4tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-20mst-4tx-4gsfp-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-20mst-4tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-20mst-4tx-4gsfp-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-24tx-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-24tx-wv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-24tx-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8msc-16tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8msc-16tx-4gsfp-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8msc-16tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8msc-16tx-4gsfp-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8mst-16tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8mst-16tx-4gsfp-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8mst-16tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8mst-16tx-4gsfp-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8ssc-16tx-4gsfp-hv-hv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- cpe:2.3:o:moxa:pt-7528-8ssc-16tx-4gsfp-wv-wv_firmware:*:*:*:*:*:*:*:*Range: <=4.0
- Moxa/PT-7528 series firmwaredescription
Patches
Vulnerability mechanics
References
1- www.us-cert.gov/ics/advisories/icsa-20-056-03nvdThird Party AdvisoryUS Government Resource
News mentions
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