CVE-2023-6943: Critical severity Mitsubishielectric Ezsocket vulnerability

Published Jan 30, 2024
·
Updated

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') 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 execute a malicious code by RPC with a path to a malicious library while connected to the products.

Affected Software

19 affected components
Mitsubishielectric Ezsocket>=3.0
Mitsubishielectric Fr Configurator2
Mitsubishielectric Got1000
Mitsubishielectric Got2000
Mitsubishielectric Gx Works2>=1.11m
Mitsubishielectric Gx Works3
Mitsubishielectric Mc Works64
Mitsubishielectric Melsoft Navigator>=1.04e
Mitsubishielectric Mt Works2
Mitsubishielectric Mx Component>=4.00a
: Mitsubishi Electric EZSocket: Versions 3.0 to 5.92
: Mitsubishi Electric GT Designer3 Version1(GOT1000): Versions 1.325P and prior
: Mitsubishi Electric GT Designer3 Version1(GOT2000): Versions 1.320J and prior
: Mitsubishi Electric GX Works2: Versions 1.11M to 1.626C
: Mitsubishi Electric GX Works3: Versions 1.106L and prior
: Mitsubishi Electric MELSOFT Navigator: Versions 1.04E to 2.102G
: Mitsubishi Electric MT Works2: Versions 1.190Y and prior
: Mitsubishi Electric MX Component: Versions 4.00A to 5.007H
: Mitsubishi Electric MX OPC Server DA/UA (Software packaged with MC Works64)

Event History

Jan 30, 2024
CVE Published
via MITRE·09:09 AM
Data Sourced
via MITRE·09:09 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeaknessAffected Software
Sep 19, 2025
Data Sourced
via ICS·02:46 AM
SeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2023-6943?

CVE-2023-6943 has been classified with a critical severity due to its potential exploitation leading to unsafe reflection.

2

How do I fix CVE-2023-6943?

To resolve CVE-2023-6943, users should update their affected Mitsubishi Electric products to the latest versions as specified in the vendor's advisory.

3

What products are affected by CVE-2023-6943?

CVE-2023-6943 affects various Mitsubishi Electric products including EZSocket, GT Designer3, GX Works2, and MELSOFT Navigator among others.

4

Can CVE-2023-6943 lead to unauthorized code execution?

Yes, CVE-2023-6943 allows attackers to potentially execute arbitrary code due to unsafe reflection mechanisms.

5

Is there a workaround for CVE-2023-6943?

Currently, it is recommended to apply the latest patches as workarounds for CVE-2023-6943 may not be effective against the underlying issue.

Contact

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