1. Home
  2. CVE Database
  3. CVE-2018-7857
HIGH · 7.5

CVE-2018-7857

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 possible Denial of Service when writing o...

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 possible Denial of Service when writing out of bounds variables 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 Firmware< 3.20
Schneider-ElectricModicon Premium-
Schneider-ElectricModicon Quantum Firmware< 3.60
Schneider-ElectricModicon Quantum-
Schneider-ElectricModicon M340 Firmware< 3.01
Schneider-ElectricModicon M340-
Schneider-ElectricModicon M580 Firmware< 2.80
Schneider-ElectricModicon M580-

Related Weaknesses (CWE)

CWE-754

References

FAQ

What is CVE-2018-7857?

CVE-2018-7857 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 possible Denial of Service when writing o...

How severe is CVE-2018-7857?

CVE-2018-7857 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-2018-7857?

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.