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.

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Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: schneider

Published:

Updated: 2024-08-04T09:33:19.525Z

Reserved: 2020-01-21T00:00:00

Link: CVE-2020-7543

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-11T01:15:12.580

Modified: 2024-11-21T05:37:20.977

Link: CVE-2020-7543

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses