Omron PLC Cj Firmware vulnerabilities

4 CVEs affecting Omron PLC Cj Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2019-18269, published 2019-12-16.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2019-18259, published 2019-12-16. Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days. In Omron PLC CJ series, all versions and Omron PLC CS series, all versions, an attacker could spoof arbitrary messages or execute commands.
CVE-2019-18261, published 2019-12-16. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. In Omron PLC CS series, all versions, Omron PLC CJ series, all versions, and Omron PLC NJ series, all versions, the software does not implement sufficient measures to prevent multiple failed…
CVE-2019-18269, published 2019-12-16. Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days. Omron’s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability.
CVE-2019-13533, published 2019-12-16. High severity, CVSS 8.1. EPSS: 0.9% chance of exploitation in the next 30 days. In Omron PLC CJ series, all versions, and Omron PLC CS series, all versions, an attacker could monitor traffic between the PLC and the controller and replay requests that could result in the opening…