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I. Basic Information for CVE-2021-43556
Vulnerability Information

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Vulnerability Title
FATEK Automation WinProladder
Source: NVD (National Vulnerability Database)
Vulnerability Description
FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
winproladder 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
winproladder是中国永宏(patek)的一款PLC编程软件。该软件具有简易编程操作,超强的控制、算法指令,超强通讯、NC定位功能等特色功能 WinProladder3.30_24518 及其之前版本存在缓冲区错误漏洞,该漏洞源于受影响的产品在处理项目文件时容易受到基于堆栈的缓冲区溢出的攻击,这可能使攻击者能够执行任意代码。
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
FATEK AutomationWinProladder All ~ 3.30_24518 -
II. Public POCs for CVE-2021-43556
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III. Intelligence Information for CVE-2021-43556
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