VULNERABILITY INTELLIGENCE
CVE-2026-9307
CVSS score6.3 MEDIUM
EPSS probability0.30%
CISA KEVNot currently listed
Published2026-06-16
Last modified2026-10-25
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Description
A sensitive information disclosure security issue exists within the affected CompactLogix controllers. The controller's web server exposes CIP Connection IDs on the diagnostics webpage, which are accessible to any unauthenticated user on the network. This information can be leveraged by an attacker to construct malicious packets, leading to Denial-of-Service.
Weakness classification
- CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere