Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation EZSocket versions 3.0 to 5.92, GT Designer3 Ve

Summary

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation EZSocket versions 3.0 to 5.92, GT Designer3 Version1(GOT1000) versions 1.325P and prior, GT Designer3 Version1(GOT2000) versions 1.320J and prior, GX Works2 versions 1.11M to 1.626C, GX Works3 versions 1.106L and prior, MELSOFT Navigator versions 1.04E to 2.102G, MT Works2 versions 1.190Y and prior, MX Component versions 4.00A to 5.007H and MX OPC Server DA/UA all versions allows a remote unauthenticated attacker to bypass authentication by sending specially crafted packets and connect to the products illegally.

Timeline

1. Jan 30, 2024, 9:06 AM UTCCVE published
2. May 8, 2025, 3:42 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: yes · Technical impact: partial

3. Sep 19, 2025, 2:12 AM UTCRecord last updated

Affected versions

• Mitsubishi Electric Corporation EZSocket

  3.0 to 5.92

• Mitsubishi Electric Corporation GT Designer3 Version1(GOT1000)

  Version range not reported

• Mitsubishi Electric Corporation GT Designer3 Version1(GOT2000)

  Version range not reported

• Mitsubishi Electric Corporation GX Works2

  1.11M to 1.626C

• Mitsubishi Electric Corporation GX Works3

  Version range not reported

• Mitsubishi Electric Corporation MELSOFT Navigator

  1.04E to 2.102G

• Mitsubishi Electric Corporation MT Works2

  Version range not reported

• Mitsubishi Electric Corporation MX Component

  4.00A to 5.007H

• Mitsubishi Electric Corporation MX OPC Server DA/UA

  All versions

References 3