CVE-2021-27466: Rockwell Automation FactoryTalk AssetCentre Deserialization of Untrusted Data

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-03-23 · updated 2026-06-17
Weakness: CWE-502

Description

A deserialization vulnerability exists in how the ArchiveService.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 products

Rockwell Automation FactoryTalk AssetCentre: through 10.00

References

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://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

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