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Conext™ Advisor & Conext™ Control V2

Act Now10SEVD-2021-285-05Oct 12, 2021
Attack VectorNetwork
Auth RequiredNone
ComplexityLow
User InteractionNone needed
Summary

Schneider Electric Conext Advisor 2 (Cloud and Gateway) and Conext Control V2 Gateway contain multiple Windows vulnerabilities that could allow remote code execution. The Conext Advisor 2 is a web-based management portal for solar power plants; the Control V2 is a solar plant monitoring solution. An attacker who exploits these vulnerabilities could execute arbitrary code with system privileges, potentially altering plant operations, monitoring data, or control settings. No patch is currently available from Schneider Electric for these products; the vulnerability must be addressed through Windows operating system patching and network isolation.

What this means
What could happen
An attacker could execute arbitrary code on the Conext Advisor 2 or Control V2 gateway, potentially altering solar plant monitoring data, disabling plant controls, or installing malicious software that persists on the system.
Who's at risk
Solar power plant operators and engineers using Conext Advisor 2 (cloud portal and gateway) or Conext Control V2 Gateway for monitoring and managing solar installations. This affects energy sector operations, particularly distributed solar assets and plant control systems.
How it could be exploited
The vulnerability exists in the underlying Windows operating system on these devices. An attacker with network access to the web portal or gateway could send a specially crafted request that exploits a Windows vulnerability to run arbitrary commands with system-level privileges.
Prerequisites
  • Network access to the Conext Advisor 2 Cloud web portal or the Conext Control V2 Gateway
  • No authentication required
remotely exploitableno authentication requiredlow complexityactively exploited (KEV)high EPSS score (94.4%)no patch available from Schneider Electricaffects control systems
Exploitability
Actively exploited — confirmed by CISA KEV
Affected products (3)
3 pending
ProductAffected VersionsFix Status
Conext™ Advisor 2 Cloud 2.02 and below≤ 2.02No fix yet
Conext™ Advisor 2 Gateway 1.28.45 and below≤ 1.28.45No fix yet
Conext™ Control V2 Gateway 2.6 and below≤ 2.6No fix yet
Remediation & Mitigation
0/2
Do now
0/2
HOTFIXUpdate the Windows 10 operating system on all Conext Advisor 2 and Conext Control V2 gateway systems to the latest version available from Microsoft. A system reboot is required after patching.
HARDENINGIsolate Conext Advisor 2 Cloud portals and Conext Control V2 gateways on a protected network segment with restricted inbound access from trusted engineering workstations only. Implement firewall rules to deny direct internet access to these systems.
View full Schneider Electric advisory
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