Rockwell Automation FactoryTalk AssetCentre Deserialization of Untrusted Data

published 2022-03-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14220

cvss: 10.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.9%; EPSS 3.9% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-091-01 updated 2021-04-01 cvss 10.0

Rockwell Automation FactoryTalk AssetCentre

Rockwell Automation FactoryTalk AssetCentre <= 10.00
affected: vendor fix, mitigation “Run all software as User, not as an Administrator, to minimize the impact of malicious code on the infected system.” idp.rockwellautomation.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

3.89% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	10.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

Rockwell Automation FactoryTalk AssetCentre

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

idp.rockwellautomation.com /adfs/ls/idpinitiatedsignon.aspx?RelayState=RPID%3Drockwellautomation.custhelp.com%26RelayState%3Danswers%2Fan
permissions-required, vendor-advisory
cisa.gov /uscert/ics/advisories/icsa-21-091-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-27466
NVD CVE-2021-27466

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary