#VU112872 Least Privilege Violation in Omron products - CVE-2025-1384

Vulnerability identifier: #VU112872

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-1384

CWE-ID: CWE-272

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Machine Automation Controller NJ101-xxxx
Hardware solutions / Firmware
Machine Automation Controller NJ301-1x00
Hardware solutions / Firmware
Machine Automation Controller NJ501-1x00
Hardware solutions / Firmware
Machine Automation Controller NJ501-1x20
Hardware solutions / Firmware
Machine Automation Controller NJ501-1340
Hardware solutions / Firmware
Machine Automation Controller NJ501-4xxxx
Hardware solutions / Firmware
Machine Automation Controller NJ501-5300
Hardware solutions / Firmware
Machine Automation Controller NJ501-Rx00
Hardware solutions / Firmware
Machine Automation Controller NJ501-Rx20
Hardware solutions / Firmware
Machine Automation Controller NX102-xxxxx
Hardware solutions / Firmware
Machine Automation Controller NX1P2-xxxxxxx
Hardware solutions / Firmware
Machine Automation Controller NX1P2-xxxxxxx1
Hardware solutions / Firmware
Machine Automation Controller NX502-xxxxx
Hardware solutions / Firmware
Machine Automation Controller NX701-xxxxx
Hardware solutions / Firmware
SYSMAC-SE2xx
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Omron

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to least privilege violation issue in the communication function. A remote attacker can perform arbitrary operations and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Machine Automation Controller NJ101-xxxx: - - 1.67.00

Machine Automation Controller NJ301-1x00: - - 1.67.00

Machine Automation Controller NJ501-1x00: - - 1.67.02

Machine Automation Controller NJ501-1x20: - - 1.68.01

Machine Automation Controller NJ501-1340: - - 1.67.00

Machine Automation Controller NJ501-4xxxx: - - 1.67.00

Machine Automation Controller NJ501-5300: - - 1.67.01

Machine Automation Controller NJ501-Rx00: - - 1.67.01

Machine Automation Controller NJ501-Rx20: - - 1.67.00

Machine Automation Controller NX102-xxxxx: - - 1.68.01

Machine Automation Controller NX1P2-xxxxxxx: - - 1.64.09

Machine Automation Controller NX1P2-xxxxxxx1: - - 1.64.09

Machine Automation Controller NX502-xxxxx: - - 1.68.01

Machine Automation Controller NX701-xxxxx: - - 1.35.09

SYSMAC-SE2xx: before 1.69.00

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External links
https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2025-004_en.pdf
https://www.fa.omron.co.jp/product/security/assets/pdf/ja/OMSR-2025-004_ja.pdf
https://jvn.jp/en/vu/JVNVU96149970/index.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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