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P5
CVE-2026-9636: ControlLogix® 5580, CompactLogix® 5380, GuardLogix® 5580, Compact GuardLogix® 5380, 1756-EN4TR Version 36 - Version 37
CVE-2026-9636. EPSS 0.00216 (percentile 0.11516), scored 24-Oct-2026.
Affected technology
ControlLogix® 5580, CompactLogix® 5380, GuardLogix® 5580, Compact GuardLogix® 5380, 1756-EN4TR · Version 36 - Version 37
Rockwell Automation
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
A network-based attacker could establish a connection using a certificate that should be untrusted, potentially bypassing CIP Security protections. Vendor/CNA’s CVSS 4.0 assessment (base score 8.2/10) rates confidentiality impact as high; integrity and availability impact as none.
- CWE
- CWE-299
- CCR priority
- 0.1 /100 (P5)
- EPSS
- 0.00216 · percentile 0.11516 · 2026-10-24
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-9636.html