High severity8.6NVD Advisory· Published Mar 23, 2022· Updated Jun 17, 2026
CVE-2021-27475
CVE-2021-27475
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3<=12.00.00+ 2 more
- (no CPE)range: <=12.00.00
- (no CPE)range: unspecified
- cpe:2.3:a:rockwellautomation:connected_components_workbench:*:*:*:*:*:*:*:*range: <=12.00.00
Patches
Vulnerability mechanics
References
2- rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435nvdPermissions RequiredVendor Advisory
- www.cisa.gov/uscert/ics/advisories/icsa-21-133-01nvdThird Party AdvisoryUS Government Resource
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