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Rewterz Threat Advisory – ICS: Mitsubishi Electric MELSEC iQ-F, iQ-R Series Vulnerabilities

January 27, 2023
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Rewterz Threat Advisory – ICS: Mitsubishi Electric MELFA controllers Vulnerability

Severity

High

Analysis Summary

CVE-2022-33323

Mitsubishi Electric MELFA controllers could allow a remote attacker to bypass security restrictions, caused by active debug code. By doing an unauthorized telnet login, an attacker could exploit this vulnerability to gain unauthorized access to a robot controller.

Impact

  • Security Bypass

Indicators Of Compromise

CVE

  • CVE-2022-33323

Affected Vendors

Mitsubishi Electric

Affected Products

  • Mitsubishi Electric MELFA F-Series R7.0
  • Mitsubishi Electric MELFA F-Series S7.0
  • Mitsubishi Electric MELFA SD/SQ Series R7.0
  • Mitsubishi Electric MELFA SD/SQ Series S7.0

Remediation

Upgrade to the latest version of Mitsubishi Electric MELFA controllers firmware, available from the Mitsubishi Electric Web site.

Mitsubishi Electric Web site

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