Moxa NPort IA5000A Series Cleartext Transmission of Sensitive Information (CVE-2020-27184)

medium Tenable OT Security Plugin ID 501479

Synopsis

The remote OT asset is affected by a vulnerability.

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Medium

ID: 501479

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 8/2/2023

Updated: 2/21/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2020-27184

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:moxa:nport_ia5150a_firmware, cpe:/o:moxa:nport_ia5250a_firmware, cpe:/o:moxa:nport_ia5450a_firmware

Required KB Items: Tenable.ot/Moxa

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2021

Vulnerability Publication Date: 5/14/2021

Reference Information

CVE: CVE-2020-27184

CWE: 319

Detections

Analytics