High severity8.1NVD Advisory· Published Dec 16, 2019· Updated Jun 17, 2026
CVE-2019-13533
CVE-2019-13533
Description
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 and closing of industrial valves.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:omron:plc_cj_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:omron:plc_cs_firmware:*:*:*:*:*:*:*:*
- Omron/PLC CJ seriesdescription
Patches
Vulnerability mechanics
References
1- www.us-cert.gov/ics/advisories/icsa-19-346-02nvdThird Party AdvisoryUS Government Resource
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