What’s Vulnerable › Vulnerabilities

CVE-2020-28212

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-19 · updated 2026-06-17
• Weakness: CWE-307

Description

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 products

• Schneider Electric EcoStruxure Control Expert: all versions

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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