CVE-2021-22281— Zip Slip Vulnerability in B&R Automation Studio Project Import
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 4.0到4.12版本存在安全漏洞，该漏洞源于允许相对路径遍历。
Possible ATT&CK Techniques 1 AI
T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-22281
Vulnerability Information
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Vulnerability Title
Zip Slip Vulnerability in B&R Automation Studio Project Import
Source: CVE Program / CVE List V5
Vulnerability Description
: Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.This issue affects Automation Studio: from 4.0 through 4.12.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
B&R Industrial Automation Studio 路径遍历漏洞
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 4.0到4.12版本存在安全漏洞，该漏洞源于允许相对路径遍历。
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 | 4.0 ~ 4.12 | - |
|
II. Public POCs for CVE-2021-22281
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · B&R Industrial Automation · 2024-02-02 · 4 CVEs total
| CVE-2021-22282 | 8.3 HIGH | RCE in B&R Automation Studio with crafted project files |
| CVE-2020-24681 | 8.2 HIGH | Automation Studio and PVI Multiple incorrect permission assignments for services |
| CVE-2020-24682 | 7.2 HIGH | Automation Studio and PVI Multiple unquoted service path vulnerabilities |
IV. Related Vulnerabilities
Same product: Automation Studio
-
CVE-2021-22280
DLL Hijacking Vulnerability in Automation Studio -
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Automation Studio and PVI Multiple unquoted service path vul -
CVE-2020-24681
Automation Studio and PVI Multiple incorrect permission assi -
CVE-2021-22282
RCE in B&R Automation Studio with crafted project files
Same vendor: B&R Industrial Automation
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Same weakness: CWE-23
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V. Comments for CVE-2021-22281
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