CVE-2022-33971

HIGH

OMRON NX7/NX1/NJ Series Firmware < 1.28/1.48 - Authentication Bypass by Capture-replay

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://jvn.jp/en/vu/JVNVU97050784/index.html
Mitigation, Vendor Advisory x_refsource_misc
https://www.ia.omron.com/product/vulnerability/OMSR-2022-002_en.pdf

Scores

CVSS v3 7.5
EPSS 0.0103
EPSS Percentile 59.1%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-294 CWE-489
Status published
Products (50)
omron/nj-pa3001_firmware < 1.48
omron/nj-pd3001_firmware < 1.48
omron/nj101-1000_firmware < 1.48
omron/nj101-1020_firmware < 1.48
omron/nj101-9000_firmware < 1.48
omron/nj101-9020_firmware < 1.48
omron/nj301-1100_firmware < 1.48
omron/nj301-1200_firmware < 1.48
omron/nj501-1300_firmware < 1.48
omron/nj501-1320_firmware < 1.48
... and 40 more
Published Jul 04, 2022
Tracked Since Feb 18, 2026