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Vulnerability record · CVE-2012-0221 · published 2 April 2012

CVE-2012-0221: Rockwellautomation factorytalk improper input validation vulnerability

Rockwellautomation · Factorytalk

The FactoryTalk (FT) RNADiagReceiver service in Rockwell Automation Allen-Bradley FactoryTalk CPR9 through SR5 and RSLogix 5000 17 through 20 does not properly handle the return value from an unspecified function, which allows remote attackers to cause a denial of service (service outage) via a crafted packet.

5.0 CVSS 2.0 Medium EPSS 10% · top 4.5% CWE-20 · Improper input validation
5.0CVSS 2.0 base score
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

The FactoryTalk (FT) RNADiagReceiver service in Rockwell Automation Allen-Bradley FactoryTalk CPR9 through SR5 and RSLogix 5000 17 through 20 does not properly handle the return value from an unspecified function, which allows remote attackers to cause a denial of service (service outage) via a crafted packet.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rockwellautomation.custhelp.com/app/answers/detail/a_id/469937
http://www.us-cert.gov/control_systems/pdf/ICSA-12-088-01.pdf US Government Resource
http://rockwellautomation.custhelp.com/app/answers/detail/a_id/469937
http://www.us-cert.gov/control_systems/pdf/ICSA-12-088-01.pdf US Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-0221), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.