CVE-2019-18269

CVE-2019-18269 affects Omron CS and CJ series PLCs. The vulnerability is an unrestricted externally accessible lock, allowing remote interaction with PLCs (ICSA-19-346-02 indicates remote exploitation risk). Affected products are CS and CJ series PLCs (all versions), per multiple sources, with th...

CVE-2019-13533

CVE-2019-13533 affects Omron PLC CJ and CS series (all versions). The vulnerability allows an attacker to monitor PLC-controller traffic and replay requests, potentially opening/closing industrial valves (authentication bypass via capture-replay). Affected products are Omron CJ/CS series PLCs; mi...

CVE-2019-18261

The CVE-2019-18261 issue affects Omron PLC CS series, CJ series, and NJ series (all versions) where the software does not adequately limit repeated authentication attempts, making brute-force compromise more feasible. This is categorized as CWE-307 (Improper Restriction of Excessive Authenticatio...

CVE-2019-18259

CVE-2019-18259 affects Omron PLC CJ series and CS series (all versions). The vulnerability enables an attacker to spoof arbitrary messages or execute commands against the PLC, i.e., an authentication bypass by spoofing. NVD reports CVSSv3.1 base score 9.8 (CRITICAL) with network access, no privil...