CVE-2019-13533 : Security Advisory and Response

Omron PLC CJ series and Omron PLC CS series, in all iterations, are susceptible to a security breach allowing unauthorized access to manipulate industrial valves.

Understanding CVE-2019-13533

Omron PLC CJ and CS Series vulnerability with potential industrial control system impact.

What is CVE-2019-13533?

Vulnerability in Omron PLC CJ and CS series allowing unauthorized access to manipulate industrial valves.

The Impact of CVE-2019-13533

Unauthorized individuals can eavesdrop on communication between PLC and controller.
Attackers can replicate requests, potentially manipulating industrial valves.

Technical Details of CVE-2019-13533

Vulnerability details and affected systems.

Vulnerability Description

Security breach in Omron PLC CJ and CS series allowing traffic monitoring and request replay.

Affected Systems and Versions

Omron PLC CJ series, all versions.
Omron PLC CS series, all versions.

Exploitation Mechanism

Attacker can intercept communication between PLC and controller.
Replay requests to manipulate industrial valves.

Mitigation and Prevention

Protective measures and security practices.

Immediate Steps to Take

Implement network segmentation to isolate PLCs.
Monitor network traffic for unusual patterns.
Update firmware to patched versions.

Long-Term Security Practices

Conduct regular security audits and assessments.
Train staff on cybersecurity best practices.

Patching and Updates

Apply vendor-supplied patches promptly.
Follow security advisories for further guidance.