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CVE-2026-9307

MEDIUM
6.3
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-9307
State
PUBLISHED
Assigner
Rockwell
Reserved
2026-05-22 18:09 UTC
Published
2026-06-16 13:42 UTC
Last updated
2026-06-16 17:49 UTC
Primary CWE
CWE-497
CWE-497 Exposure of sensitive system information to an unaut…
Vendor / Product
Rockwell Automation / CompactLogix 5370
Sources
cve.org  ·  NVD

Severity & Metrics

6.3 MEDIUM CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Rockwell Automation CompactLogix 5370 — V36
Weakness (CWE)
CWESourceDescription
CWE-497 cna CWE-497 Exposure of sensitive system information to an unauthorized control sphere
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.3 MEDIUM 4.0 cna 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
References (1)
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