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HIGH · 7.5

CVE-2022-37301

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. Affect...

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)

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Schneider-ElectricModicon M340 Bmx P34-2010 Firmware< 3.50
Schneider-ElectricModicon M340 Bmx P34-2010-
Schneider-ElectricModicon M340 Bmx P34-2030 Firmware< 3.50
Schneider-ElectricModicon M340 Bmx P34-2030-
Schneider-ElectricModicon M580 Bmeh582040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh582040-
Schneider-ElectricModicon M580 Bmeh582040C Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh582040C-
Schneider-ElectricModicon M580 Bmeh582040S Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh582040S-
Schneider-ElectricModicon M580 Bmeh584040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh584040-
Schneider-ElectricModicon M580 Bmeh584040C Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh584040C-
Schneider-ElectricModicon M580 Bmeh584040S Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh584040S-
Schneider-ElectricModicon M580 Bmeh586040 Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh586040-
Schneider-ElectricModicon M580 Bmeh586040C Firmware< 4.01
Schneider-ElectricModicon M580 Bmeh586040C-

Related Weaknesses (CWE)

CWE-191

References

FAQ

What is CVE-2022-37301?

CVE-2022-37301 is a vulnerability with a CVSS score of 7.5 (HIGH). 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. Affect...

How severe is CVE-2022-37301?

CVE-2022-37301 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-37301?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon M340 Bmx P34-2010 Firmware, Schneider-Electric Modicon M340 Bmx P34-2010, Schneider-Electric Modicon M340 Bmx P34-2030 Firmware, Schneider-Electric Modicon M340 Bmx P34-2030, Schneider-Electric Modicon M580 Bmeh582040 Firmware.