CVE-2020-28212

9.8 criticalEPSS 2.8%

Critical (9.8) in schneider-electric ecostruxure control expert. EPSS 2.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 2.8% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
CWE: CWE-307
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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