CVE-2020-27261: Omron Cx-One

High severity, CVSS 8.8. EPSS: 7.6% chance of exploitation in the next 30 days.

The Omron CX-One Version 4.60 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code.

Affected products

• Omron Cx-One: up to and including 4.60
• Omron Cx-Position: up to and including 2.52
• Omron Cx-Protocol: up to and including 2.02
• Omron Cx-Server: up to and including 5.0.28

Published 2021-02-09. Last modified 2026-06-17.