CVE-2021-22280— DLL Hijacking Vulnerability in Automation Studio
Quick assessment
Affected
B&R Industrial Automation Automation Studio
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.
B&R Industrial Automation Studio是奥地利贝加莱工业自动化（B&R Industrial Automation）公司的一套集成开发环境（IDE），用于开发和编程其自动化解决方案。 B&R Industrial Automation Studio 4.12之前版本存在安全漏洞，该漏洞源于DLL加载算法不正确。攻击者利用该漏洞可以执行代码。
Possible ATT&CK Techniques 1 AI
T1218 · System Binary Proxy Execution
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I. Basic Information for CVE-2021-22280
Vulnerability Information
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Vulnerability Title
DLL Hijacking Vulnerability in Automation Studio
Source: CVE Program / CVE List V5
Vulnerability Description
Improper DLL loading algorithms in B&R Automation Studio versions >=4.0 and <4.12 may allow an authenticated local attacker to execute code in the context of the product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
B&R Industrial Automation Studio 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
B&R Industrial Automation Studio是奥地利贝加莱工业自动化（B&R Industrial Automation）公司的一套集成开发环境（IDE），用于开发和编程其自动化解决方案。 B&R Industrial Automation Studio 4.12之前版本存在安全漏洞，该漏洞源于DLL加载算法不正确。攻击者利用该漏洞可以执行代码。
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 |
|---|---|---|---|---|
| B&R Industrial Automation | Automation Studio | 0 ~ 4.12 | - |
|
II. Public POCs for CVE-2021-22280
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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V. Comments for CVE-2021-22280
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