CVE-2021-27473: Rockwell Automation Connected Components Workbench Improper Input Validation
First published: Wed Mar 23 2022(Updated: )
Rockwell Automation Connected Components Workbench v12.00.00 and prior does not sanitize paths specified within the .ccwarc archive file during extraction. This type of vulnerability is also commonly referred to as a Zip Slip. A local, authenticated attacker can create a malicious .ccwarc archive file that, when opened by Connected Components Workbench, will allow the attacker to gain the privileges of the software. If the software is running at SYSTEM level, the attacker will gain admin level privileges. User interaction is required for this exploit to be successful.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Rockwell Automation Connected Components Workbench | <=12.00.00 | |
| Rockwell Automation Connected Components Workbench |
Remedy
Rockwell Automation recommends users of the affected software update to an available software revision (Connected Components Workbench v13.00.00 or later) that addresses the associated risk.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-27473?
CVE-2021-27473 has been rated as a medium severity vulnerability due to its potential impact on system integrity.
How do I fix CVE-2021-27473?
To mitigate CVE-2021-27473, users should upgrade to a version of Rockwell Automation Connected Components Workbench beyond v12.00.00.
Who is affected by CVE-2021-27473?
CVE-2021-27473 affects users of Rockwell Automation Connected Components Workbench version 12.00.00 and earlier.
What type of attack does CVE-2021-27473 enable?
CVE-2021-27473 enables a local, authenticated attacker to exploit the vulnerability through path manipulation during file extraction.
What is the nature of the vulnerability in CVE-2021-27473?
CVE-2021-27473 is a Zip Slip vulnerability, which arises from improper sanitization of file paths in .ccwarc archive files.
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