CJ-series and CS-series CPU modules vulnerabilities

2 known vulnerabilities in CJ-series and CS-series CPU modules 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

• 9.1 Critical severity

  CJ-series and CS-series CPU modules: Improper Restriction of Excessive Authentication Attempts

  CVE-2022-45790Jan 22, 2024Omron

  The Omron FINS protocol has an authenticated feature to prevent access to memory regions. Authentication is susceptible to bruteforce attack, which may allow an adversary to gain access to protected memory. This access can allow overwrite of values including p

• 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.