CVE-2021-47719
NoneCVSS
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EPSS
0.5%
Published
Dec 9, 2025
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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