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CVE-2023-2062: Information Disclosure vulnerability in EtherNet/IP Configuration tools

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-02 · updated 2026-06-17
• Weakness: CWE-549

Description

Missing Password Field Masking vulnerability in Mitsubishi Electric Corporation EtherNet/IP configuration tools SW1DNN-EIPCT-BD and SW1DNN-EIPCTFX5-BD allows a remote unauthenticated attacker to know the password for MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP. This vulnerability results in authentication bypass vulnerability, which allows the attacker to access MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP via FTP.

Affected products

• Mitsubishielectric Fx5-Enet/Ip Firmware: all versions
• Mitsubishielectric Rj71Eip91 Firmware: all versions
• Mitsubishielectric Sw1Dnn-Eipct-Bd Firmware: all versions
• Mitsubishielectric Sw1Dnn-Eipctfx5-Bd Firmware: all versions

References

• https://jvn.jp/vu/JVNVU92908006
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-157-02
• https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2023-004.pdf
• https://jvn.jp/vu/JVNVU92908006
• https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2023-004.pdf

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