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cnvd-2020-03168

EUVD-2026-324147

fkie_cve-2019-18269

Omron’s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability.

GHSA-5xrh-m4jr-pgwp

In Omron PLC CJ series, all versions, and Omron PLC CS series, all versions, the software properly checks for the existence of a lock, but the lock can be externally controlled or influenced by an actor that is outside of the intended sphere of control.

gsd-2019-18269

ICSA-19-346-02 — Omron PLC CJ and CS Series

An attacker could spoof arbitrary messages or execute commands. CVE-2019-18259 has been assigned to this vulnerability. A CVSS v3 base score of 5.6 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).). An attacker could monitor traffic between the PLC and the controller and replay requests that could result in the opening and closing of industrial valves. CVE-2019-13533 has been assigned to this vulnerability. A CVSS v3 base score of 8.1 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H)). Omron's CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability. CVE-2019-18269 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)).