CVE-2023-6942

moderate-risk
Published 2024-01-30

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.

Do I need to act?

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0.44% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (10)

Fr Configurator2
Got1000
Got2000
Mc Works64
Melsoft Navigator
Mt Works2
Mx Component

Affected Vendors

Mitsubishielectric

References (6)

Third Party Advisory https://jvn.jp/vu/JVNVU95103362
Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-02
Vendor Advisory https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-020_en.pdf
Third Party Advisory https://jvn.jp/vu/JVNVU95103362
Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-02
Vendor Advisory https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-020_en.pdf
44
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 16/34 · Moderate