Auth bypass in Schneider-electric Ecostruxure_control_expert

CVE-2020-28211

A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause bypass of authentication when overwriting memory using a debugger.

Vulnerability class: Broken Access Control

EPSS: 0.003 (24.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-28211?
CVE-2020-28211 is a high-severity vulnerability in Schneider-electric Ecostruxure_control_expert, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2020-11-19.
How severe is CVE-2020-28211?
High severity. CVSS v3 base score is 7.8 out of 10.