VULNERABILITY INTELLIGENCE

CVE-2025-11694

CVSS score8.7 HIGH
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-06-16
Last modified2026-10-07
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

A security issue exists within 1769 CompactLogix controllers due to the missing validation of sequence numbers and source IP addresses in the CIP protocol. This allows attacker to abuse the exposed Connection ID’s visible on the web interface to perform denial-of-service attacks, resulting in a minor fault.

Weakness classification

  • CWE-354: Improper Validation of Integrity Check Value

Primary references