CVE-2020-27184: Moxa Nport IA5150A Firmware

Medium severity, CVSS 5.9. EPSS: 0.3% chance of exploitation in the next 30 days.

The NPort IA5000A Series devices use Telnet as one of the network device management services. Telnet does not support the encryption of client-server communications, making it vulnerable to Man-in-the-Middle attacks.

Affected products

• Moxa Nport IA5150A Firmware: up to and including 1.4
• Moxa Nport IA5250A Firmware: up to and including 1.4
• Moxa Nport IA5450A Firmware: up to and including 1.7

Published 2021-05-14. Last modified 2026-06-17.