CVE-2026-11317 PUBLISHED

Rockwell Automation Logix 5370 and 5570 Controllers Vulnerable To Denial of Service Via CIP

Assigner: Rockwell
Reserved: 04.06.2026 Published: 16.06.2026 Updated: 16.06.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Rockwell Automation
Product	CompactLogix, ControlLogix
Versions	Default: affected Version Versions prior to 34.016 is affected Version Versions prior to 35.015 is affected Version Versions prior to 36.012 is affected

Solutions

Upgrade to Version 34.016 and laterVersion 35.015 and later Version 36.012 and later

Version 37.011 and later

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html

Problem Types

CWE-404: Improper Resource Shutdown or Release CWE