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I. Basic Information for CVE-2021-27432
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Vulnerability Title
Siemens SIMATIC OPC UA 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIMATIC CP443-1 OPC UA9是德国西门子（Siemens）公司的一款通信处理器。 OPC UA 存在安全漏洞。该漏洞源于程序容易受到不受控制的递归，这可能使攻击者触发堆栈溢出。以下产品及版本受到影响：OPC UA .NET Standard prior to 1.4.365.48、OPC UA .NET Legacy。
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
-OPC Foundation OPC UA .NET Standard and OPC UA .NET Legacy OPC UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy -
II. Public POCs for CVE-2021-27432
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III. Intelligence Information for CVE-2021-27432
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IV. Related Vulnerabilities
Same vendor: n/a
Same weakness: CWE-674
V. Comments for CVE-2021-27432

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