The security of our products is important to us as your industrial automation supplier. This security issue was found internally during routine testing and is being reported based on our commitment to customer transparency and improvement of all business environments.
Product Description
CompactLogix® 5370, Compact GuardLogix® 5370, ControlLogix® 5570, and GuardLogix® 5570 Controllers are part of the Integrated Architecture® system. These controllers provide scalable, integrated standard and safety control for small to large applications.
Affected Products and Solution
Affected Product |
CVE |
Affected Firmware Version |
Corrected in Firmware Version |
Affected Catalog Numbers |
CompactLogix® 5370 Compact GuardLogix® 5370 ControlLogix® 5570 GuardLogix® 5570
|
CVE-2026-11317
|
Versions prior to 34.016, Versions prior to 35.015 and prior, Versions prior to 36.012
|
Version 34.016 and later, Version 35.015 and later, Version 36.012 and later, Version 37.011 and later
|
|
Security Issue Details
Category |
Details |
CVE ID |
CVE-2026-11317 |
Impact |
A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when a crafted CIP message is sent. Devices with less memory are more likely to be affected. This can result in a major nonrecoverable fault (MNRF). A program download is required to recover. |
CVSS 3.1 Base Score |
|
CVSS 4.0 Base Score |
|
CWE |
|
Known Exploited Vulnerability |
No (Not listed in KEV database) |
Mitigations and Workarounds
Customers using the affected software, who are not able to upgrade to one of the corrected versions, should use our security best practices.
Revision History
Revision |
Date |
Description |
1.0 |
June 16th, 2026 |
Initial release |
Glossary:
· CIP Message: encompasses a comprehensive suite of messages and services for the collection of manufacturing automation applications – control, safety, synchronization, motion, configuration and information.
· Denial of Service (DoS): Attack is a malicious attempt to disrupt the normal functioning of a targeted server, service, or network by overwhelming it with a flood of traffic or triggering a crash.
· Major Non-Recoverable Fault (MNRF) an error that occurs in a system or device and prevents it from recovering or functioning properly.
Get Up-to-Date Product Security Information
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· Learn more about the vulnerability policy
Support
If you have any questions regarding the security issue(s) above and how to mitigate them, contact TechConnect for help. More information can be found at Contact Us | Rockwell Automation | US.
If you have any questions regarding this disclosure, please contact PSIRT
Email: rasecure@ra.rockwell.com
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