CVE-2020-7542

CVE-2020-7542

Vendor N/A
Product Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions)
Weakness CWE-754
Published December 11, 2020
Last update August 4, 2024

CVSS base score

What the vulnerability does

01Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.

Key dates

02Disclosure timeline

December 11, 2020 CVE published
August 4, 2024 Record updated