AUGUST 4, 2026
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Case File

CVE-2021-47719

UNKNOWN · CVSS N/A EPSS 0.43% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-12-09 · Last synced 2026-08-04

CyberRota Analysis

This vulnerability has an unknown severity rating. 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
exploit code execution
External Security References

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

CVE
CVE-2021-47719
Severity
UNKNOWN
CVSS
N/A
EPSS
0.43%

Original NVD Description

COMMAX WebViewer ActiveX Control 2.1.4.5 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by providing excessively long string arrays through multiple functions. Attackers can exploit boundary errors in Commax_WebViewer.ocx to cause buffer overflow conditions and potentially gain code execution.