Integer Overflow Vulnerability in Mitsubishi Electric MELSEC-Q and MELSEC-L CPU Modules
CVE-2024-1916

9.8CRITICAL

Key Information:

Vendor

Mitsubishi Electric Corporation

Status
Melsec-q Series Q03udecpu
Melsec-q Series Q04udehcpu
Melsec-q Series Q06udehcpu
Melsec-q Series Q10udehcpu
Vendor
CVE Published:
15 March 2024

What is CVE-2024-1916?

An Integer Overflow vulnerability exists in the MELSEC-Q Series and MELSEC-L Series CPU modules developed by Mitsubishi Electric Corporation. This flaw permits remote unauthenticated attackers to execute arbitrary code by sending carefully crafted packets to the vulnerable devices. The impact of this vulnerability can significantly compromise the integrity and availability of the affected systems, posing potential threats to industrial control environments.

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Affected Version(s)

MELSEC-L Series L02CPU The first 5 digits of serial No. "26041" and prior

MELSEC-L Series L02CPU-P The first 5 digits of serial No. "26041" and prior

MELSEC-L Series L06CPU The first 5 digits of serial No. "26041" and prior

References

https://www.mitsubishielectric.com/en/psirt/vulnerability...
vendor-advisory
https://jvn.jp/vu/JVNVU99690199/
government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-0...
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

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