Medium severity5.9NVD Advisory· Published May 14, 2021· Updated Jun 17, 2026

CVE-2020-27184

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Moxa/Nport Ia5150a Firmware
cpe:2.3:o:moxa:nport_ia5150a_firmware:*:*:*:*:*:*:*:*
Range: <=1.4
Moxa/Nport Ia5250a Firmware
cpe:2.3:o:moxa:nport_ia5250a_firmware:*:*:*:*:*:*:*:*
Range: <=1.4
Moxa/Nport Ia5450a Firmware
cpe:2.3:o:moxa:nport_ia5450a_firmware:*:*:*:*:*:*:*:*
Range: <=1.7
Moxa/NPort IA5000A Seriesdescription
Moxa/NPort IA5000A seriesllm-fuzzy

Patches

Vulnerability mechanics

References

www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilitiesnvdVendor Advisory
ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-020%2Cnvd

News mentions

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cvss	0.384
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000