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Rewterz Threat Advisory – ICS: Mitsubishi Electric MELSEC WS Series Vulnerability

Severity

High

Analysis Summary

CVE-2023-1618

Mitsubishi Electric MELSEC WS Series could allow a remote attacker to bypass security restrictions, caused by the existence of a hidden telnet function enabled by default. By sending a specially crafted request via telnet, an attacker could exploit this vulnerability to log in to the module.

Impact

  • Security Bypass

Indicators Of Compromise

CVE

  • CVE-2023-1618

Affected Vendors

Mitsubishi Electric

Affected Products

  • Mitsubishi Electric WS0-GETH00200

Remediation

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

Mitsubishi Electric Security Advisory