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CVE-2020-28212

CRITICALCVSS 9.8/10EPSS 2.64%

Last modified

CVE-2020-28212 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.64% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
2.64%

83.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Schneider-ElectricEcostruxure Control ExpertAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-28212?
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.
How severe is CVE-2020-28212?
CVE-2020-28212 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.64% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28212?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28212?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST