Summary
Successful exploitation of these vulnerabilities could allow a remote unauthenticated attacker to connect to the module via FTP and bypass authentication to log in.
Vulnerabilities 4
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High 7.5
Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules
Weak Password Requirements vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to access to the module …
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Medium 6.3
Information disclosure, tampering, deletion and destruction vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules
Unrestricted Upload of File with Dangerous Type vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to …
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Medium 6.2
Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules
Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to obtain a hard-coded p…
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Medium 6.2
Information Disclosure vulnerability in EtherNet/IP Configuration tools
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 RJ71…
Revision history
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#4
Update C - Recommend replacing FX5-ENET/IP with EtherNet/IP Module FX5-EIP.
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#3
Update B - Added version information to affected products section.
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#2
Update A - Added mitigation information.
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#1
Initial Publication
References
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ICSA Advisory ICSA-23-157-02 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-157-02
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b
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Recommended Practices
https://www.cisa.gov/secure-our-world/teach-employees-avoid-phishing
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Recommended Practices
https://www.cisa.gov/news-events/news/avoiding-social-engineering-and-phishing-attacks