CVE-2021-27462: Rockwell Automation FactoryTalk AssetCentre Deserialization of Untrusted Data

Published Mar 23, 2022
·
Updated

A deserialization vulnerability exists in how the AosService.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.

Affected Software

2 affected components
Rockwell Automation FactoryTalk AssetCentre, v10.00 and earlier
rockwellautomation Factorytalk Assetcentre<=10.00

Remediation

Information

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

Information

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

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.

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Frequently Asked Questions

1

What is the severity of CVE-2021-27462?

CVE-2021-27462 is considered critical due to its potential for remote code execution by unauthenticated attackers.

2

How do I fix CVE-2021-27462?

To remediate CVE-2021-27462, upgrade to the latest version of Rockwell Automation FactoryTalk AssetCentre that addresses this vulnerability.

3

What software is affected by CVE-2021-27462?

CVE-2021-27462 affects Rockwell Automation FactoryTalk AssetCentre versions 10.00 and earlier.

4

Can CVE-2021-27462 be exploited remotely?

Yes, CVE-2021-27462 can be exploited remotely without authentication.

5

What kind of attack does CVE-2021-27462 enable?

CVE-2021-27462 enables attackers to execute arbitrary commands on the affected system.

Company

Resources

Contact

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