CVE-2026-11317

HIGH

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

Title source: cna

Description

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.

References (1)

Core 1

Core References

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

Scores

CVSS v4 8.7

EPSS 0.0030

EPSS Percentile 22.5%

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-404

Status published

Products (3)

Rockwell Automation/CompactLogix, ControlLogix Versions prior to 34.016

Rockwell Automation/CompactLogix, ControlLogix Versions prior to 35.015

Rockwell Automation/CompactLogix, ControlLogix Versions prior to 36.012

Published Jun 16, 2026

Tracked Since Jun 16, 2026