Sensitive Information Disclosure in CompactLogix Controllers by Rockwell Automation
CVE-2026-9307

6.3MEDIUM

Key Information:

Vendor

Rockwell Automation
Status
Compactlogix 5370
Vendor
CVE Published:
16 June 2026

What is CVE-2026-9307?

A security issue has been identified in Rockwell Automation's CompactLogix controllers, where the web server inadvertently exposes CIP Connection IDs on its diagnostics webpage. This information is accessible to any unauthenticated user within the network, potentially allowing malicious actors to craft harmful packets. If exploited, this vulnerability could lead to service disruptions and compromised control over connected systems.

Affected Version(s)

CompactLogix 5370 V36

References

https://www.rockwellautomation.com/en-us/trust-center/sec...

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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