Sysmac Cj2m-cpu12 Firmware vulnerabilities

2 known vulnerabilities in Sysmac Cj2m-cpu12 Firmware from Omron. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.5 High severity

  CJ-series and CS-series CPU modules: Missing Authentication for Critical Functionality

  CVE-2022-45794Jan 10, 2024Omron

  An attacker with network access to the affected PLC (CJ-series and CS-series PLCs, all versions) may use a network protocol to read and write files on the PLC internal memory and memory card.

• 9.1 Critical severity

  CJ1M SYSMAC CJ-series: Improper Access Control

  CVE-2023-0811Mar 16, 2023Omron

  Omron CJ1M unit v4.0 and prior has improper access controls on the memory region where the UM password is stored. If an adversary issues a PROGRAM AREA WRITE command to a specific memory region, they could overwrite the password. This may lead to disabling UM