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Rewterz Threat Advisory – ICS: Schneider Electric EcoStruxure Control Expert and Process Vulnerabilities

March 11, 2022

Severity

Medium

Analysis Summary

CVE-2022-24323

Schneider Electric EcoStruxure Process Expert are vulnerable to a denial of service, caused by improper check for unusual or exceptional conditions. By sending a specially-crafted request to intercept and manipulate specific Modbus response data, a remote attacker could exploit this vulnerability to cause a disruption of communication between the Modicon controller and the engineering software, and results in a denial of service condition.

CVE-2022-24322

Schneider Electric EcoStruxure Control Expert and Process Expert are vulnerable to a denial of service, caused by a buffer overflow. By sending a specially-crafted request to intercept and manipulate specific Modbus response data, a remote attacker could exploit this vulnerability to cause a disruption of communication between the Modicon controller and the engineering software, and results in a denial of service condition.

Impact

  • Denial of Service
  • Buffer Overflow

Indicators Of Compromise

CVE

  • CVE-2022-24323
  • CVE-2022-24322

Affected Vendors

Schneider Electric

Affected Products

  • Schneider Electric EcoStruxure Process Expert 2021
  • Schneider Electric EcoStruxure Control Expert 15.0
  • SP1 Schneider Electric EcoStruxure Process Expert 2021
  • Schneider Electric EcoStruxure Control Expert 15.0 SP1

Remediation

Refer to Schneider Electric Advisory for patch, upgrade or suggested workaround information.

Schneider Electric

  • Services
    • Assess
      • Compromise Assessment
      • APT Assessment
      • Penetration Testing
      • Secure Architecture Design & Review
      • Red Team Assessment
      • Purple Team Assessment
      • Social Engineering
      • Source Code Review
    • Respond
      • Incident Response
      • Incident Analysis
  • Transform
    • SOC Consultancy
    •     SOC Maturity Assessment
    •     SOC Model Evaluation
    •     SOC Gap Analysis
    •     SIEM Gap Analysis
    •     SIEM Optimization
    •     SOC Content Pack
  • Train
    • Security Awareness and Training
    • Tabletop Exercise
    • Simulated Cyber Attack Exercises
  • Managed Security
    • Managed Security Monitoring
      • Remote SOC
      • Onsite SOC
      • Hybrid SOC
    • Managed Security Services
      • Managed Detection and Response
      • Managed Endpoint Detection and Response
      • Managed Threat Intelligence
      • Managed Threat Hunting
      • Managed Risk-Based SOAR
      • Managed Penetration Testing
  • Solutions
  • Resources
    • Blog
    • Threat Advisory
  • Company
    • About Us
    • Careers
    • Contact
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