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CVE-2026-11317

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

Published: Jun 16, 2026Updated: Jun 16, 2026 Sources: CVE List NVD csafCWE-404
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.3%
Top 78.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-404

Affected Products

CompactLogix, ControlLogixRockwell AutomationICS / OT / IoT
rockwell automationcommercialUSICS / OT / IoTaka arena®, arena simulation, armorstart st

Exploitability

Official Patch Available

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html
rockwellautomation.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-167-03.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-26-167-03
cisa.gov
and 15 more references View all →

Timeline

Published
Jun 16, 2026
Last Updated
Jun 16, 2026

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