CVE-2021-27460

Name: CVE-2021-27460
Creator: NVD / NIST
Published: 2022-03-23T20:15:08.713+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.07%

Last modified Jun 17, 2026

CVE-2021-27460 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier components contain .NET remoting endpoints that deserialize untrusted data without sufficiently verifying that the resulting data will be valid. This vulnerability may allow a remote, unauthenticated attacker to gain full access to the FactoryTalk AssetCentre main server and all agent machines.. EPSS estimates a 3.07% chance of exploitation in the next 30 days.

Description

Rockwell Automation FactoryTalk AssetCentre v10.00 and earlier components contain .NET remoting endpoints that deserialize untrusted data without sufficiently verifying that the resulting data will be valid. This vulnerability may allow a remote, unauthenticated attacker to gain full access to the FactoryTalk AssetCentre main server and all agent machines.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.07%

86.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rockwellautomation	Factorytalk Assetcentre	<= 10.00

References

https://idp.rockwellautomation.com/adfs/ls/idpinitiatedsignon.aspx?RelayState=RPID%3Drockwellautomation.custhelp.com%26RelayState%3Danswers%2Fanswer_view%2Fa_id%2F1130831Permissions Required, Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-091-01Third Party Advisory, US Government Resource
https://idp.rockwellautomation.com/adfs/ls/idpinitiatedsignon.aspx?RelayState=RPID%3Drockwellautomation.custhelp.com%26RelayState%3Danswers%2Fanswer_view%2Fa_id%2F1130831Permissions Required, Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-091-01Third Party Advisory, US Government Resource

Timeline

Published: Mar 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27460?

How severe is CVE-2021-27460?

CVE-2021-27460 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.07% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27460?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27460?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST