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I. Basic Information for CVE-2021-32994
Vulnerability Information

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Vulnerability Title
Softing OPC-UA C++ SDK Improper Restriction of Operations within the Bounds of a Memory Buffer
Source: NVD (National Vulnerability Database)
Vulnerability Description
Softing OPC UA C++ SDK (Software Development Kit) versions from 5.59 to 5.64 exported library functions don't properly validate received extension objects, which may allow an attacker to crash the software by sending a variety of specially crafted packets to access several unexpected memory locations.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Softing OPC UA C++ SDK 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Softing OPC UA C++ SDK是德国Softing公司的一个开发包。用于快速轻松地集成 OPC UA 客户端和服务器。 Softing OPC-UA C++ SDK 存在缓冲区错误漏洞,该漏洞源于导出的库函数没有正确验证接收到的扩展对象。该漏洞允许攻击者通过发送各种特制的数据包来访问多个意外的内存位置来使软件崩溃。
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
SoftingOPC UA C++ SDK (Software Development Kit) 5.59 ~ 5.64 -
II. Public POCs for CVE-2021-32994
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III. Intelligence Information for CVE-2021-32994
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IV. Related Vulnerabilities
V. Comments for CVE-2021-32994

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