CVE-2020-7538

7.5 highEPSS 1.3%

High (7.5) in schneider-electric ecostruxure control expert. EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
CWE: CWE-754
Published: 2020-11-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

schneider-electric:ecostruxure_control_expert

References

https://www.se.com/ww/en/download/document/SEVD-2020-315-07/
https://www.se.com/ww/en/download/document/SEVD-2020-315-07/

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