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I. Basic Information for CVE-2021-47719
Vulnerability Information

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Vulnerability Title
CNC_Ctrl DllUnregisterServer f5501 Access Violation
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
COMMAX WebViewer ActiveX Control 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
COMMAX WebViewer ActiveX Control是韩国COMMAX公司的一个浏览器插件。 COMMAX WebViewer ActiveX Control 2.1.4.5版本存在缓冲区错误漏洞,该漏洞源于Commax_WebViewer.ocx存在缓冲区溢出问题,可能导致执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
COMMAX Co., Ltd.COMMAX WebViewer ActiveX Control 2.1.4.5 -
II. Public POCs for CVE-2021-47719
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III. Intelligence Information for CVE-2021-47719
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47719

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