CVE-2020-27184
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.
Date published : 2021-05-14
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020,