CVE-2020-28212: Critical severity ecostruxure control expert vulnerability

Published Nov 19, 2020

Updated

A CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause unauthorized command execution when a brute force attack is done over Modbus.

Affected Software

1 affected component

Schneider-electric Ecostruxure Control Expert

Remediation

Patch Available

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

Event History

Nov 19, 2020

CVE Published

via MITRE·09:03 PM

Data Sourced

via MITRE·09:03 PM

DescriptionWeakness

Frequently Asked Questions

What is CVE-2020-28212?

CVE-2020-28212 is a vulnerability that allows unauthorized command execution in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) when a brute force attack is done over Modbus.

What is the severity of CVE-2020-28212?

The severity of CVE-2020-28212 is critical with a CVSS score of 9.8.

How does CVE-2020-28212 affect Schneider-electric Ecostruxure Control Expert?

CVE-2020-28212 affects all versions of Schneider-electric Ecostruxure Control Expert.

How can CVE-2020-28212 be exploited?

CVE-2020-28212 can be exploited through a brute force attack over Modbus.

Is there a fix available for CVE-2020-28212?

Yes, a fix is available for CVE-2020-28212. Please refer to the vendor's website for patch details.