Integer Overflow Vulnerability in Mitsubishi Electric MELSEC-Q and MELSEC-L Series CPU Modules
CVE-2024-1917

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-2024-1917?

An Integer Overflow or Wraparound vulnerability exists in the MELSEC-Q Series and MELSEC-L Series CPU modules from Mitsubishi Electric Corporation. This vulnerability allows remote unauthenticated attackers to execute arbitrary code on the affected products by sending specially crafted packets. If exploited, this can lead to a full compromise of the system, making it imperative for users to apply relevant patches and updates to mitigate associated risks.

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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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