CVE-2020-12117: Moxa Nport 5100a Firmware

Medium severity, CVSS 5.3. EPSS: 1.4% chance of exploitation in the next 30 days.

Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect.

Affected products

• Moxa Nport 5100a Firmware: up to and including 1.5

Published 2020-05-01. Last modified 2026-06-17.