Vulnerability identifier: #VU64875

Vulnerability risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-33971

CWE-ID: CWE-294

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
NX7-series Machine Automation Controller
Hardware solutions / Other hardware appliances
NX1-series Machine Automation Controller
Hardware solutions / Other hardware appliances
NJ-series Machine Automation Controller
Hardware solutions / Other hardware appliances

Vendor: Omron

Description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote administrator on the local network can bypass authentication process and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NX7-series Machine Automation Controller: 1.28

NX1-series Machine Automation Controller: 1.48

NJ-series Machine Automation Controller: 1.48

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External links
http://www.ia.omron.com/product/vulnerability/OMSR-2022-002_en.pdf
http://jvn.jp/en/vu/JVNVU97050784/index.htmlicsa-22-314-07

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.