Denial of Service (DoS) and Remote Code Execution Vulnerability in MITSUBISHI CNC Series
CVE-2023-3346

9.8CRITICAL

Key Information:

Vendor
Mitsubishi Electric Corporation
Status
Mitsubishi Cnc M800v Series M800vw
Mitsubishi Cnc M800v Series M800vs
Mitsubishi Cnc M80v Series M80v
Mitsubishi Cnc M80v Series M80vw
Vendor
CVE Published:
3 August 2023

Summary

A buffer overflow vulnerability exists in Mitsubishi CNC Series, enabling a remote, unauthenticated attacker to send specially crafted packets. This can result in a Denial of Service condition and the potential execution of arbitrary code on the device. Following an attack, a system reset is necessary for recovery, emphasizing the critical importance of immediate remedial measures to secure affected systems.

Affected Version(s)

MITSUBISHI CNC C80 Series C80 System Number BND-2036W000 versions BF and prior

MITSUBISHI CNC E70 Series E70 System Number BND-1022W000 versions LF and prior

MITSUBISHI CNC E80 Series E80 System Number BND-2009W000 versions FB and prior

References

https://www.mitsubishielectric.com/en/psirt/vulnerability...
vendor-advisory
https://jvn.jp/vu/JVNVU90352157/index.html
government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-2...
government-resource

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.