A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that...

7.5 CVSS

Vulnerability Description

A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

https://www.se.com/us/en/download/document/SEVD-2022-221-02/

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Affected Vendor

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Affected Software

Modicon M340 CPU (part numbers BMXP34*), Modicon M580 CPU (part numbers BMEP* and BMEH*) , Legacy Modicon Quantum/Premium, Modicon Momentum MDI (171CBU*), Modicon MC80 (BMKC80)

Vulnerable Versions:

V, All Versions