Omron (CVE-2022-33971)

high Tenable OT Security Plugin ID 501152

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Authentication bypass by capture-replay vulnerability exists in Machine automation controller NX7 series all models V1.28 and earlier, Machine automation controller NX1 series all models V1.48 and earlier, and Machine automation controller NJ series all models V 1.48 and earlier, which may allow an adjacent attacker who can analyze the communication between the controller and the specific software used by OMRON internally to cause a denial-of-service (DoS) condition or execute a malicious program.

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

https://www.ia.omron.com/product/vulnerability/OMSR-2022-002_en.pdf

https://jvn.jp/en/vu/JVNVU97050784/index.html

Plugin Details

Severity: High

ID: 501152

File Name: tenable_ot_omron_CVE-2022-33971.nasl

Version: 1.7

Type: Remote

Family: Tenable.ot

Published: 5/22/2023

Updated: 6/3/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.4

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

CVSS Score Source: CVE-2022-33971

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/o:omron:nj501-4310_firmware, cpe:/o:omron:nx701-z700_firmware, cpe:/o:omron:nj501-r300_firmware, cpe:/o:omron:nj501-4300_firmware, cpe:/o:omron:nj101-9020_firmware, cpe:/o:omron:nj501-r320_firmware, cpe:/o:omron:nx102-1020_firmware, cpe:/o:omron:nx102-1220_firmware, cpe:/o:omron:nj501-r500_firmware, cpe:/o:omron:nj101-1020_firmware, cpe:/o:omron:nj501-4400_firmware, cpe:/o:omron:nj501-1500_firmware, cpe:/o:omron:nj501-r400_firmware, cpe:/o:omron:nj301-1100_firmware, cpe:/o:omron:nj501-r520_firmware, cpe:/o:omron:nx701-1600_firmware, cpe:/o:omron:nj301-1200_firmware, cpe:/o:omron:nx102-1200_firmware, cpe:/o:omron:nx102-1000_firmware, cpe:/o:omron:nj501-1520_firmware, cpe:/o:omron:nj501-4500_firmware, cpe:/o:omron:nj501-5300_firmware, cpe:/o:omron:nj501-1340_firmware, cpe:/o:omron:nx102-9020_firmware, cpe:/o:omron:nx701-z600_firmware, cpe:/o:omron:nj501-140_firmware, cpe:/o:omron:nx102-1100_firmware, cpe:/o:omron:nj501-1320_firmware, cpe:/o:omron:nj501-1420_firmware, cpe:/o:omron:nj501-r420_firmware, cpe:/o:omron:nx701-1700_firmware, cpe:/o:omron:nx701-1620_firmware, cpe:/o:omron:nx701-1720_firmware, cpe:/o:omron:nj101-9000_firmware, cpe:/o:omron:nj501-1300_firmware, cpe:/o:omron:nx102-1120_firmware, cpe:/o:omron:nj501-4320_firmware, cpe:/o:omron:nj101-1000_firmware

Required KB Items: Tenable.ot/Omron

Exploit Ease: No known exploits are available

Patch Publication Date: 7/4/2022

Vulnerability Publication Date: 7/4/2022

Reference Information

CVE: CVE-2022-33971

CWE: 294, 489

ICSA: 22-314-07