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Security notification – Modicon™ Quantum PLC (ICS-ALERT-12-020-03B)

Release Notice

Schneider Electric® has become aware of the release of a metasploit module allowing a user to send a stop command to or modify the PLC program of a Modicon Quantum PLC

Goals and Symptoms

The ability to send commands from Unity Pro software or over UMAS to the controller was already identified in ICS-ALERT-12-020-03 and a response is available in Schneider Electric Resolution 207378. This resolution expands on that.

Causes and Fixes

Follow the recommendations found in the attached document.

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