CVE-2026-11317

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

Published Jun 16, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade to  Version 34.016 and laterVersion 35.015 and later Version 36.012 and later Version 37.011 and later

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation compactlogix
Rockwellautomation controllogix
Vendors & Products Rockwellautomation
Rockwellautomation compactlogix
Rockwellautomation controllogix
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Rockwell Automation Logix 5370 and 5570 Controllers Vulnerable To Denial of Service Via CIP
Weaknesses CWE-404
References
Metrics cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Rockwell
Published
Updated
Jun 16, 2026, 3:20 PM
Reserved
Jun 4, 2026, 7:20 PM
Status
Awaiting Analysis
Published
Jun 16, 2026, 3:16 PM
Modified
Oct 25, 2026, 11:10 PM