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ICSA-17-054-03  ·  Published 2019-01-10  ·  View on CISA ICS-CERT ↗

Schneider Electric Modicon M340 PLC (Update A)

CVSS 7.5 HIGH

Risk Summary

Successful exploitation of this vulnerability may render the device unresponsive requiring a physical reset of the PLC.

CVEs (1)

Remediations

  • M340: https://www.schneider-electric.fr/fr/search/V2.9?filters=CAT_PRD_DOC_FIRMUPD
  • M580: https://www.schneider-electric.us/en/product-range/62098-modicon-m580-paccontroller/
  • Quantum: https://www.schneider-electric.com/en/download/document/OFS_3_50_2905/
  • Set up a firewall blocking all remote/external access to Port 502
  • For more information Schneider Electric has released a security notification that can be found at: https://www.schneider-electric.com/en/download/document/SEVD-2017-048-02/

Affected Vendors

Schneider Electric Software, LLC

Affected Products (5)

Schneider Electric Software, LLC · Quantum CPUs with firmware < 3.52
Schneider Electric Software, LLC · Premium CPUs vers:all/*
Schneider Electric Software, LLC · M580 CPUs with firmware < 2.3
Schneider Electric Software, LLC · M340 CPUs with firmware < 2.9
Schneider Electric Software, LLC · M1E CPUs vers:all/*

Affected Sectors

Defense Industrial Base; Energy; Government Facilities; Nuclear Reactors, Materials, and Waste; Transportation Systems; Water and Wastewater Systems

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