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Schneider Electric has an upgrade available to mitigate an open redirect vulnerability in its EcoStruxure, according to a report with NCCIC.

Successful exploitation of this remotely exploitable vulnerability, discovered by Donato Onofri of Business Integration Partners S.p.A, could allow an attacker to use this device as a platform to conduct a phishing attack.

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The following versions of EcoStruxure, an IoT-enabled architecture and platform, are affected:

  • EcoStruxure Power Monitoring Expert (PME) Version 8.2 (all editions)
  • EcoStruxure Energy Expert 1.3 (formerly Power Manager)
  • EcoStruxure Power SCADA Operation (PSO) 8.2 Advanced Reports and Dashboards Module
  • EcoStruxure Power Monitoring Expert (PME) Version 9.0
  • EcoStruxure Energy Expert Version 2.0
  • EcoStruxure Power SCADA Operation (PSO) 9.0 Advanced Reports and Dashboards Module

In the vulnerability, victims of phishing attacks can be redirected to a malicious websites via URL redirection.

Cyber Security

CVE-2018-7797 is the case number assigned to this vulnerability, which has a CVSS v3 base score of 7.4.

The product sees use mainly in the commercial facilities, energy, food and agriculture, government facilities, transportation systems, and water and wastewater systems sectors. It also sees action on a global basis.

No known public exploits specifically target this vulnerability. However, an attacker with low skill level could leverage the vulnerability.

Schneider Electric recommends upgrading to the versions listed below, which include fixes for the reported vulnerability:

For more information click on Schneider Electric’s security notification.

Schneider Electric also recommends the following cybersecurity best practices:

  • Locate control and safety system networks and remote devices behind firewalls, and isolate them from the business network.
  • Physical controls should be in place so 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 “Program” mode.
  • All programming software should be kept in locked cabinets and should never be connected to any network other than the network for the devices that it is 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 further information related to cybersecurity in Schneider Electric’s products, visit the company’s cybersecurity web page.

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