CVE-2020-28221
Last modified
CVE-2020-28221 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-20: Improper Input Validation vulnerability exists in EcoStruxure™ Operator Terminal Expert and Pro-face BLUE (version details in the notification) that could cause arbitrary code execution when the Ethernet Download feature is enable on the HMI.. EPSS estimates a 1.85% chance of exploitation in the next 30 days.
Description
A CWE-20: Improper Input Validation vulnerability exists in EcoStruxure™ Operator Terminal Expert and Pro-face BLUE (version details in the notification) that could cause arbitrary code execution when the Ethernet Download feature is enable on the HMI.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | Ecostruxure Operator Terminal Expert | 3.1 |
| Schneider-Electric | Pro-Face Blue | 3.1 |
References
- https://www.se.com/ww/en/download/document/SEVD-2021-012-01/Patch, Vendor Advisory
- https://www.se.com/ww/en/download/document/SEVD-2021-012-01/Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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