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ICSA-20-016-01  ·  Published 2020-03-31  ·  View on CISA ICS-CERT ↗

Schneider Electric Modicon Controllers (Update A)

CVSS 7.5 HIGH

Risk Summary

Successful exploitation of this vulnerability could result in a denial-of-service condition.

Remediations

  • BMEP584040: Specific Modicon M580 firmware v3.10
  • BMEH584040 and C: Specific Modicon M580 firmware v3.10
  • BMEP586040 and C: Specific Modicon M580 firmware v3.10
  • BMEH586040 and C: Specific Modicon M580 firmware v3.10
  • BMEP581020 and H: Specific Modicon M580 firmware v3.10
  • BMEP582020 and H: Specific Modicon M580 firmware v3.10
  • BMEP582040 and H: Specific Modicon M580 firmware v3.10
  • BMEP583020: Specific Modicon M580 firmware v3.10
  • BMEP583040: Specific Modicon M580 firmware v3.10
  • BMEP584020: Specific Modicon M580 firmware v3.10
  • BMEP585040 and C: Specific Modicon M580 firmware v3.10
  • BMEH582040 and C: Specific Modicon M580 firmware v3.10
  • BMEP584040S: Specific Modicon M580 firmware v3.10
  • BMEH584040S: Specific Modicon M580 firmware v3.10
  • BMEH586040S: Specific Modicon M580 firmware v3.10
  • BMEP582040S: Specific Modicon M580 firmware v3.10
  • BMXP3420302 and CL and H: Modicon M340 firmware v3.20
  • BMXP342020 and H: Modicon M340 firmware v3.20
  • BMXP342000: Modicon M340 firmware v3.20
  • BMXP341000 and H: Modicon M340 firmware v3.20
  • BMXP3420102 and CL: Modicon M340 firmware v3.20
  • BMXP3420302: Modicon M340 firmware v3.20
  • Modicon Premium v3.20 firmware is available by contacting Schneider Electric customer support.
  • 140CPU65150 [C] and 140CPU65160 [C]: Modicon Quantum firmware v3.60
  • 140CPU65260 [C]: Modicon Quantum firmware v3.60
  • 140CPU67261 [C]: Modicon Quantum firmware v3.60
  • 140CPU67060 [C]: Modicon Quantum firmware v3.60
  • 140CPU67160 [C]: Modicon Quantum firmware v3.60
  • 140CPU67260 [C]: Modicon Quantum firmware v3.60
  • 140CPU65860 [C]: Modicon Quantum firmware v3.60
  • 140CPU67861 [C]: Modicon Quantum firmware v3.60
  • 140CPU65160S: Please contact Schneider Electric customer support to get the Quantum v3.60 firmware
  • 140CPU67160S: Please contact Schneider Electric customer support to get the Quantum v3.60 firmware
  • Physical controls should be in place so that no unauthorized person would have access to the ICS and safety controllers, peripheral equipment, or the ICS and safety networks.
  • All controllers should reside in locked cabinets and never be left in the “Program” mode.
  • All programming software should be kept in locked cabinets and should never be connected to any network other than the network for which the devices are intended.
  • All methods of mobile data exchange with the isolated network, such as CDs, USB drives, etc., should be scanned before use in the terminals or any node connected to these networks.
  • Laptops that have connected to any other network besides the intended network should never be allowed to connect to the safety or control networks without proper sanitation.
  • Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.
  • When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize that VPN is only as secure as the connected devices.
  • For more information on this vulnerability and the associated upgrade, please see Schneider Electric's SEVD-2019-344-01
  • For more details and assistance on how to protect during installation, please contact a Schneider Electric representative and/or Schneider Electric Industrial Cybersecurity Services. These organizations are aware of this situation and can support you through the process.

Affected Vendors

Schneider Electric Software, LLC

Affected Products (5)

Schneider Electric Software, LLC · Modicon Premium < 3.20
Schneider Electric Software, LLC · Modicon Quantum < 3.60
Schneider Electric Software, LLC · Modicon Quantum < 3.52
Schneider Electric Software, LLC · Modicon M580 < 2.80
Schneider Electric Software, LLC · Modicon M340 < 3.01

Affected Sectors

Commercial Facilities, Critical Manufacturing, and Energy

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