High severity · published Jun 16, 2026
CVE-2026-11317
Rockwell Automation Logix 5370 and 5570 Controllers Vulnerable To Denial of Service Via CIP
8.7
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
CompactLogix, ControlLogix · Rockwell Automation
Versions prior to 34.016; Versions prior to 35.015; Versions prior to 36.012 · source: vendor