Denial of Service Vulnerability in Schneider Electric Modicon Controllers
CVE-2023-25619

7.5HIGH

Summary

A vulnerability exists in Schneider Electric's Modicon controllers, where improper checks for unusual or exceptional conditions can lead to a denial of service when devices communicate using the Modbus TCP protocol. This could disrupt operations and requires immediate attention for proper remediation to ensure the integrity and availability of the affected controllers.

Affected Version(s)

Legacy Modicon Premium CPUs (TSXP57*) All

Legacy Modicon Quantum (140CPU65*) All

Modicon M340 CPU (part numbers BMXP34*) prior to SV3.51

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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