CVE-2021-27475: Rockwell Automation Connected Components Workbench Deserialization of Untrusted Data

Published 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.

Affected Software

2 affected components
rockwellautomation Connected Components Workbench<=12.00.00
Rockwell Automation Connected Components Workbench v12.00.00 and prior

Remediation

Information

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.

Event History

Mar 23, 2022
CVE Published
via MITRE·07:46 PM
Data Sourced
via MITRE·07:46 PM
RemedyDescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

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.

2

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.

3

What types of attacks can exploit CVE-2021-27475?

CVE-2021-27475 can be exploited to execute arbitrary code by deserializing a malicious object.

4

Who is affected by CVE-2021-27475?

CVE-2021-27475 affects users of Rockwell Automation Connected Components Workbench version 12.00.00 and prior.

5

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.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203