Moxa NPort IA5000A Series Cleartext Transmission of Sensitive Information (CVE-2020-27185)

high Tenable OT Security Plugin ID 501436

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Cleartext transmission of sensitive information via Moxa Service in NPort IA5000A series serial devices. Successfully exploiting the vulnerability could enable attackers to read authentication data, device configuration, and other sensitive data transmitted over Moxa Service.

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.

See Also

http://www.nessus.org/u?6bd1d561

http://www.nessus.org/u?8a9e9d5d

Plugin Details

Severity: High

ID: 501436

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: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-27185

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/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-2020-27185

CWE: 319