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Case File

CVE-2020-7543

HIGH · CVSS 7.5 EPSS 1.31%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-11 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2020-7543
Severity
HIGH
CVSS
7.5
EPSS
1.31%

Original NVD Description

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.