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I. Basic Information for CVE-2021-40871
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a OPC/UA client. The client process may crash unexpectedly because of a wrong type cast, and must be restarted.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Softing Industrial Automation OPC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Softing Industrial Automation OPC是德国Softing Industrial Automation公司的一套OPC(OLE for Process Control,用于过程控制的OLE)解决方案。 Softing Industrial Automation OPC UA c++ SDK存在安全漏洞,该漏洞源于远程攻击者可利用该漏洞通过向OPC UA客户端发送精心制作的消息来引起拒绝服务(DoS)。客户端进程可能因为错误的类型转换而意外崩溃,必须重新启动。
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
-n/a n/a -
II. Public POCs for CVE-2021-40871
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III. Intelligence Information for CVE-2021-40871
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IV. Related Vulnerabilities
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