CVE-2023-6942: High severity Mitsubishielectric Ezsocket vulnerability

Published Jan 30, 2024
·
Updated

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.

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·09:06 AM
Data Sourced
via MITRE·09:06 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-2023-6942?

CVE-2023-6942 has been classified with a high severity due to its missing authentication for critical functions.

2

How do I fix CVE-2023-6942?

To fix CVE-2023-6942, upgrade to the latest versions of the affected Mitsubishi Electric products that address this vulnerability.

3

Which versions of Mitsubishi Electric products are affected by CVE-2023-6942?

CVE-2023-6942 affects EZSocket versions 3.0 to 5.92, GT Designer3 versions, GX Works2 versions, GX Works3 versions, and several others.

4

Can CVE-2023-6942 be exploited remotely?

Yes, CVE-2023-6942 can be exploited remotely due to the lack of authentication for critical functions.

5

What type of vulnerability is CVE-2023-6942?

CVE-2023-6942 is a missing authentication for critical functions vulnerability.

Company

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