Mitsubishi Electric FA products (Update A)

Summary

Vulnerabilities 1

• Critical 10.0
  CVE-2023-4699 Public exploit

  Arbitrary Command Execution Vulnerability in Mitsubishi Electric proprietary protocol communication of multiple FA products

  Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC-F Series CPU modules, MELSEC iQ-F Series, MELSEC iQ-R series CPU modules, MELSEC iQ-R series, MELSEC iQ-L series, MELSEC Q series, MELSEC-L series, Mitsubishi…

  Mitsubishi Electric MELSEC-F Series FX3U-80MR/ES MELSEC-F Series FX3U-64MT/DS MELSEC-F Series FX3U-64MT/ES-A ICS / OT
  Nov 6, 2023

Revision history

1. 2024-11-12 #2

   Update A - Added more affected products and mitigations, changed CVSS scoring and vulnerability description.

2. 2023-11-02 #1

   Initial Publication

References

• ICSA Advisory ICSA-23-306-03 - Web Version
  https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-03
• Recommended Practices
  https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
• Recommended Practices
  https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
• Recommended Practices
  https://www.cisa.gov/topics/industrial-control-systems
• Recommended Practices
  https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
• Recommended Practices
  https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
• Recommended Practices
  https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
• Recommended Practices
  https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
• Recommended Practices
  https://www.cisa.gov/uscert/ncas/tips/ST04-014