CVE-2026-9307

Rockwell Automation CompactLogix 5370 Controllers – Multiple Vulnerabilities

Published Jun 16, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

V38.011 https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation compactlogix 5370
Vendors & Products Rockwellautomation
Rockwellautomation compactlogix 5370
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Rockwell Automation CompactLogix 5370 Controllers – Multiple Vulnerabilities
Weaknesses CWE-497
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Rockwell
Published
Updated
Jun 16, 2026, 5:49 PM
Reserved
May 22, 2026, 6:09 PM
Status
Awaiting Analysis
Published
Jun 16, 2026, 3:16 PM
Modified
Oct 25, 2026, 11:10 PM