CVE-2021-38426— 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.
FATEK Automation WinProladder是中国FATEK Automation公司的一个PLC。 WinProladder 存在缓冲区错误漏洞，该漏洞源于。在解析项目文件时，受影响的产品缺乏对用户提供的数据的正确验证，这可能导致越界写入。攻击者可利用该漏洞可以利用此漏洞执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-38426
Vulnerability Information
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Vulnerability Title
FATEK Automation WinProladder
Source: CVE Program / CVE List V5
Vulnerability Description
FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an out-of-bounds write. An attacker could leverage this vulnerability 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
FATEK Automation WinProladder 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FATEK Automation WinProladder是中国FATEK Automation公司的一个PLC。 WinProladder 存在缓冲区错误漏洞，该漏洞源于。在解析项目文件时，受影响的产品缺乏对用户提供的数据的正确验证，这可能导致越界写入。攻击者可利用该漏洞可以利用此漏洞执行任意代码。
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 | - |
|
II. Public POCs for CVE-2021-38426
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-38426 (1)
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06 x_refsource_MISC
Same Patch Batch · FATEK Automation · 2021-10-18 · 7 CVEs total
| CVE-2021-38430 | 7.8 HIGH | FATEK Automation WinProladder |
| CVE-2021-38434 | 7.8 HIGH | FATEK Automation WinProladder |
| CVE-2021-38436 | 7.8 HIGH | FATEK Automation WinProladder |
| CVE-2021-38438 | 7.8 HIGH | FATEK Automation WinProladder |
| CVE-2021-38442 | 7.8 HIGH | FATEK Automation WinProladder |
| CVE-2021-38440 | 3.3 LOW | FATEK Automation WinProladder |
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CVE-2023-34269
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Same weakness: CWE-787
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V. Comments for CVE-2021-38426
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