CVE-2023-27396 (cj2h-cpu64-eip_firmware, cj2h-cpu64_firmware, cj2h-cpu65-eip_firmware, cj2h-cpu65_firmware, cj2h-cpu66-eip_firmware, cj2h-cpu66_firmware, cj2h-cpu67-eip_firmware, cj2h-cpu67_firmware, cj2h-cpu68-eip_firmware, cj2h-cpu68_firmware, cj2m

FINS (Factory Interface Network Service) is a message communication protocol, which is designed to be used in closed FA (Factory Automation) networks, and is used in FA networks composed of OMRON products. Multiple OMRON products that implement FINS protocol contain following security issues -- (1)Plaintext communication, and (2)No authentication required. When FINS messages are intercepted, the contents may be retrieved. When arbitrary FINS messages are injected, any commands may be executed on, or the system information may be retrieved from, …

automation communication cve interface message network networks omron plaintext products protocol security security issues service