Moxa EDR Products Denial of Service (CVE-2023-4452)

high Tenable OT Security Plugin ID 501764


The remote OT asset is affected by a vulnerability.


A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them vulnerable to the denial-of-service vulnerability. This vulnerability stems from insufficient input validation in the URI, potentially enabling malicious users to trigger the device reboot.

This plugin only works with Tenable.ot.
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Refer to the vendor advisory.

See Also

Plugin Details

Severity: High

ID: 501764

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 11/9/2023

Updated: 2/21/2024

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-4452


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:N/I:N/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: 11/1/2023

Vulnerability Publication Date: 11/1/2023

Reference Information

CVE: CVE-2023-4452

CWE: 120