Moxa EDR-G903, EDR-G902, and EDR-810 Improper Restriction of Operations (CVE-2020-28144)

critical Tenable OT Security Plugin ID 501553

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Certain Moxa Inc products are affected by an improper restriction of operations in EDR-G903 Series Firmware Version 5.5 or lower, EDR-G902 Series Firmware Version 5.5 or lower, and EDR-810 Series Firmware Version 5.6 or lower. Crafted requests sent to the device may allow remote arbitrary code execution.

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: Critical

ID: 501553

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 8/2/2023

Updated: 8/3/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-28144

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:moxa:edr-810-2gsfp-t_firmware, cpe:/o:moxa:edr-810-2gsfp_firmware, cpe:/o:moxa:edr-810-vpn-2gsfp-t_firmware, cpe:/o:moxa:edr-810-vpn-2gsfp_firmware, cpe:/o:moxa:edr-g902-t_firmware, cpe:/o:moxa:edr-g902_firmware, cpe:/o:moxa:edr-g903-t_firmware, cpe:/o:moxa:edr-g903_firmware

Required KB Items: Tenable.ot/Moxa

Exploit Ease: No known exploits are available

Patch Publication Date: 2/3/2021

Vulnerability Publication Date: 2/3/2021

Reference Information

CVE: CVE-2020-28144

CWE: 119

Detections

Analytics