What’s Vulnerable › Vulnerabilities

CVE-2023-6943

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-30 · updated 2026-06-17
• Weakness: CWE-470

Description

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 products

• Mitsubishi Electric Corporation EZSocket: from 3.0
• Mitsubishi Electric Corporation FR Configurator2: all versions
• Mitsubishielectric Got1000: all versions
• Mitsubishielectric Got2000: all versions
• Mitsubishi Electric Corporation GX Works2: from 1.11m
• Mitsubishi Electric Corporation GX Works3: all versions
• Mitsubishi Electric Corporation MC Works64: all versions
• Mitsubishi Electric Corporation MELSOFT Navigator: from 1.04e
• Mitsubishi Electric Corporation MT Works2: all versions
• Mitsubishi Electric Corporation MX Component: from 4.00a

References

• https://jvn.jp/vu/JVNVU95103362
• https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-02
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-020_en.pdf
• https://jvn.jp/vu/JVNVU95103362
• https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-02
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-020_en.pdf

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