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HIGH · 7.5

CVE-2018-7854

A CWE-248 Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a denial of Service when sending invalid deb...

Vulnerability Description

A CWE-248 Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a denial of Service when sending invalid debug parameters to the controller over Modbus.

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 Premium FirmwareAll versions
Schneider-ElectricModicon Premium-
Schneider-ElectricModicon Quantum FirmwareAll versions
Schneider-ElectricModicon Quantum-
Schneider-ElectricModicon M340 Firmware< 3.10
Schneider-ElectricModicon M340-
Schneider-ElectricModicon M580 Firmware< 2.90
Schneider-ElectricModicon M580-

Related Weaknesses (CWE)

CWE-754

References

FAQ

What is CVE-2018-7854?

CVE-2018-7854 is a vulnerability with a CVSS score of 7.5 (HIGH). A CWE-248 Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a denial of Service when sending invalid deb...

How severe is CVE-2018-7854?

CVE-2018-7854 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-2018-7854?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon Premium Firmware, Schneider-Electric Modicon Premium, Schneider-Electric Modicon Quantum Firmware, Schneider-Electric Modicon Quantum, Schneider-Electric Modicon M340 Firmware.