CVE-2021-27470: Rockwell Automation FactoryTalk AssetCentre Deserialization of Untrusted Data
First published: Wed Mar 23 2022(Updated: )
A deserialization vulnerability exists in how the LogService.rem service in Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier verifies serialized data. This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary commands in FactoryTalk AssetCentre.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Rockwell Automation FactoryTalk AssetCentre | ||
| rockwellautomation FactoryTalk AssetCentre | <=10.00 |
Remedy
Rockwell Automation encourages users of the affected versions of FactoryTalk AssetCentre to update to AssetCentre v11 (or above) to addresses these vulnerabilities. For more information about these vulnerabilities and mitigations please see Rockwell Automation’s publication KnowledgeBase ID: PN1559
Remedy
As an additional mitigation, Rockwell Automation encourages users who are unable to upgrade or are concerned about unauthorized client connections to use built in security features found within FactoryTalk AssetCentre. Users should follow guidance found in QA46277. IPsec would minimize exposure to unauthorized clients and has been tested in FactoryTalk AssetCentre v9-v11
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Reference Links
- https://idp.rockwellautomation.com/adfs/ls/idpinitiatedsignon.aspx?RelayState=RPID%3Drockwellautomation.custhelp.com%26RelayState%3Danswers%2Fanswer_view%2Fa_id%2F1130831
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-091-01
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-091-01 (Advisory)
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- version/rockwellautomation factorytalk assetcentre/10.00