Denial-of-Service and Remote Code Execution Vulnerability in MELSEC Series CPU module
CVE-2023-1424

10CRITICAL

Summary

A buffer overflow vulnerability exists in Mitsubishi Electric's MELSEC iQ-F and iQ-R Series CPU modules, which allows a remote unauthorized attacker to exploit it by sending specially crafted network packets. This vulnerability may enable an attacker to create a denial of service condition or to execute arbitrary code on the affected devices, necessitating a system reset for recovery. Users of these CPU modules must take immediate action to secure their systems against potential exploitation.

Affected Version(s)

MELSEC iQ-F Series FX5U-32MR/DS Serial number 17X**** or later, versions from 1.220 to 1.281

MELSEC iQ-F Series FX5U-32MR/ES Serial number 17X**** or later, versions from 1.220 to 1.281

MELSEC iQ-F Series FX5U-32MT/DS Serial number 17X**** or later, versions from 1.220 to 1.281

References

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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