CVE-2026-11317
highpriority · track · 0EPSS 0.003 · 23 %ileDEEUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCompact GuardLogix 5370cisa_csaf_ot
Compact GuardLogix 5370: Versions 35.015 and later
- FixedCompactLogix 5370cisa_csaf_ot
Rockwell Automation recommends users to update to the following versions: CompactLogix 5370: Versions 34.016 and later
- FixedControlLogix 5570cisa_csaf_ot
ControlLogix 5570: Versions 36.012 and later
- FixedGuardLogix 5570cisa_csaf_ot
GuardLogix 5570: Versions 37.011 and later
- MitigationCompact GuardLogix 5370cisa_csaf_ot
For more information, see Rockwell Automation Security Advisory SD1772 (https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html)
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html - MitigationCompactLogix 5370cisa_csaf_ot
For more information, see Rockwell Automation Security Advisory SD1772 (https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html)
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html - MitigationControlLogix 5570cisa_csaf_ot
For more information, see Rockwell Automation Security Advisory SD1772 (https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html)
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html - MitigationGuardLogix 5570cisa_csaf_ot
For more information, see Rockwell Automation Security Advisory SD1772 (https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html)
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (27)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1967Rockwell Automation CompactLogix 5370 und ControlLogix 5570 Controllers: Mehrere SchwachstellenDeutsch2026-06-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Rockwell Automation CompactLogix 5370 und ControlLogix 5570 Controllers ausnutzen, um einen Denial of Service Angriff durchzuführen und vertrauliche Informationen offenzulegen.
- ICSA-26-167-03Rockwell Automation Logix 5370 & 5570 Controllers Vulnerable To Denial of Service Via CIP2026-06-16icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could cause a denial-of-service condition that may result in a major nonrecoverable fault (MNRF).
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.htmlcnnvd
- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.htmlenisa_euvd
- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.htmlnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan