CVE-2021-43554— FATEK Automation WinProladder
Quick assessment
Affected
FATEK Automation WinProladder
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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发生越界写入，这可能允许攻击者执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-43554
Vulnerability Information
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Vulnerability Title
FATEK Automation WinProladder
Source: CVE Program / CVE List V5
Vulnerability Description
FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
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发生越界写入，这可能允许攻击者执行任意代码。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| FATEK Automation | WinProladder | All ~ 3.30_24518 | - |
|
II. Public POCs for CVE-2021-43554
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-43554 (4)
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01 x_refsource_MISC
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https://www.zerodayinitiative.com/advisories/ZDI-22-030/ x_refsource_MISC
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https://www.zerodayinitiative.com/advisories/ZDI-22-033/ x_refsource_MISC
-
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Same weakness: CWE-787
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V. Comments for CVE-2021-43554
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