Mitsubishi Electric MELSEC iQ-R Series Safety CPU and SIL2 Process CPU (Update A)

Summary

Vulnerabilities 1

• Medium 6.5
  CVE-2023-6815

  Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32…

  Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU R16PSFCPU MELSEC iQ-R series SIL2 Process CPU R120PSFCPU MELSEC iQ-R Series Safety CPU R08SFCPU ICS / OT
  Feb 13, 2024

Revision history

1. 2024-05-16 #2

   Update A - Additional workarounds for MELSEC iQ-R Series SIL2 Process CPU.

2. 2024-02-13 #1

   Initial Publication

References

• ICSA Advisory ICSA-24-044-01 - Web Version
  https://www.cisa.gov/news-events/ics-advisories/icsa-24-044-01
• 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