VULNERABILITY INTELLIGENCE

CVE-2020-7538

CVSS score7.5 HIGH
EPSS probability1.29%
CISA KEVNot currently listed
Published2020-11-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause a crash of the PLC simulator present in EcoStruxureª Control Expert software when receiving a specially crafted request over Modbus.

Weakness classification

  • cybersecurity@se.com: CWE-754

Primary references