CVE-2021-27475: Rockwell Automation Connected Components Workbench Deserialization of Untrusted Data
First published: Wed Mar 23 2022(Updated: )
Rockwell Automation Connected Components Workbench v12.00.00 and prior does not limit the objects that can be deserialized. This vulnerability allows attackers to craft a malicious serialized object that, if opened by a local user in Connected Components Workbench, may result in remote code execution. This vulnerability requires user interaction to be successfully exploited.
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-2021-27475?
The severity of CVE-2021-27475 is considered to be high due to the potential for remote code execution.
How do I fix CVE-2021-27475?
To fix CVE-2021-27475, it is recommended to update Connected Components Workbench to a version above 12.00.00.
What types of attacks can exploit CVE-2021-27475?
CVE-2021-27475 can be exploited to execute arbitrary code by deserializing a malicious object.
Who is affected by CVE-2021-27475?
CVE-2021-27475 affects users of Rockwell Automation Connected Components Workbench version 12.00.00 and prior.
Is there a workaround for CVE-2021-27475?
Currently, there are no documented workarounds for CVE-2021-27475; updating the software is the best mitigation strategy.
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