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ICSA-22-165-03  ·  Published 2022-06-14  ·  View on CISA ICS-CERT ↗

Mitsubishi Electric MELSEC-Q/L and MELSEC iQ-R

CVSS 8.1 HIGH

Risk Summary

Successful exploitation of this vulnerability could result in a denial-of-service condition and/or enable remote code execution.

CVEs (1)

Remediations

  • MELSEC-Q Series QJ71E71-100: First five digits of serial number 24062 and later
  • MELSEC-L Series LJ71E71-100: First five digits of serial number 24062 and later
  • MELSEC iQ-R Series RD81MES96N: firmware Version 09 and later
  • For more information on how to patch individual systems, please contact Mitsubishi Electric support.
  • If updating to a fixed version is not possible, Mitsubishi Electric recommends users take the following mitigations to minimize risk:
  • Use a firewall, virtual private network (VPN), web application firewall (WAF), etc. to prevent unauthorized access when Internet access is required.
  • Use within a LAN and block access from untrusted networks and hosts through firewalls.

Affected Vendors

Mitsubishi Electric

Affected Products (3)

Mitsubishi Electric · MELSEC iQ-R Series RD81MES96N <= 08
Mitsubishi Electric · MELSEC-L Series LJ71E71-100 <= first five digits of serial number 24061
Mitsubishi Electric · MELSEC-Q Series QJ71E71-100 <= first five digits of serial number 24061 24061

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