CVE-2020-28212 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Schneider-Electric	Ecostruxure Control Expert	All versions

Related Weaknesses (CWE)

CWE-307

References

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

FAQ

What is CVE-2020-28212?

CVE-2020-28212 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 c...

How severe is CVE-2020-28212?

CVE-2020-28212 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-28212?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Ecostruxure Control Expert.