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Case File

CVE-2020-28221

CRITICAL · CVSS 9.8 EPSS 1.85% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-01-26 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
arbitrary code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-28221
Severity
CRITICAL
CVSS
9.8
EPSS
1.85%

Original NVD Description

A CWE-20: Improper Input Validation vulnerability exists in EcoStruxureâ„¢ 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)