CVE-2023-6942

Description

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 and later, 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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.39%
Vendor Advisory mitsubishielectric.com
Affected: Mitsubishi Electric Corporation EZSocket
Affected: Mitsubishi Electric Corporation GT Designer3 Version1(GOT1000)
Affected: Mitsubishi Electric Corporation GT Designer3 Version1(GOT2000)
Affected: Mitsubishi Electric Corporation GX Works2
Affected: Mitsubishi Electric Corporation GX Works3
Affected: Mitsubishi Electric Corporation MELSOFT Navigator
Affected: Mitsubishi Electric Corporation MT Works2
Affected: Mitsubishi Electric Corporation MX Component
Affected: Mitsubishi Electric Corporation MX OPC Server DA/UA
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-020_en.pdf vendor advisory
https://jvn.jp/vu/JVNVU95103362 government resource third party advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-02 government resource third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2023-6942?
CVE-2023-6942 has been scored as a high severity vulnerability.
How to fix CVE-2023-6942?
To fix CVE-2023-6942, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-6942 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-6942 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6942?
CVE-2023-6942 affects Mitsubishi Electric Corporation EZSocket, Mitsubishi Electric Corporation GT Designer3 Version1(GOT1000), Mitsubishi Electric Corporation GT Designer3 Version1(GOT2000), Mitsubishi Electric Corporation GX Works2, Mitsubishi Electric Corporation GX Works3, Mitsubishi Electric Corporation MELSOFT Navigator, Mitsubishi Electric Corporation MT Works2, Mitsubishi Electric Corporation MX Component, Mitsubishi Electric Corporation MX OPC Server DA/UA.
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