VULNERABILITY INTELLIGENCE
CVE-2020-28221
CVSS score9.8 CRITICAL
EPSS probability2.14%
CISA KEVNot currently listed
Published2021-01-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- cybersecurity@se.com: CWE-20
Primary references
- cybersecurity@se.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory