CVE-2024-6242

Rockwell Automation Chassis Restrictions Bypass Vulnerability in Select Logix Devices

Published Aug 1, 2024 CVSS 4.0 · 7.3 High EPSS 11.1% KEV · Not listed
Description
A vulnerability exists in Rockwell Automation affected products that allows a threat actor to bypass the Trusted® Slot feature in a ControlLogix® controller. If exploited on any affected module in a 1756 chassis, a threat actor could potentially execute CIP commands that modify user projects and/or device configuration on a Logix controller in the chassis.

Remediation

Vendor Workaround

Affected Product First Known in Firmware Revision Corrected in Firmware Revision ControlLogix® 5580 (1756-L8z) V28 V32.016, V33.015, V34.014,   V35.011 and later   GuardLogix® 5580 (1756-L8zS) V31 V32.016, V33.015, V34.014,   V35.011 and later 1756-EN4TR V2 V5.001 and later 1756-EN2T, Series A/B/C 1756-EN2F, Series A/B 1756-EN2TR, Series A/B 1756-EN3TR, Series B v5.007(unsigned)/v5.027(signed) No fix is available for Series A/B/C. Users can upgrade to Series D to remediate this vulnerability 1756-EN2T, Series D 1756-EN2F, Series C 1756-EN2TR, Series C 1756-EN3TR, Series B 1756-EN2TP, Series A 1756-EN2T/D: V10.006 1756-EN2F/C: V10.009 1756-EN2TR/C: V10.007 1756-EN3TR/B: V10.007 1756-EN2TP/A: V10.020 V12.001 and later Users using the affected firmware and who are not able to upgrade to one of the corrected versions are encouraged to apply the following mitigation and security best practices, where possible.    * Limit the allowed CIP commands on controllers by setting the mode switch to the RUN position. * Security Best Practices https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-47370 A vulnerability exists in Rockwell Automation affected products that allows a threat actor to bypass the Trusted® Slot feature in a ControlLogix® controller. If exploited on any affected module in a 1756 chassis, a threat actor could potentially execute CIP commands that modify user projects and/or device configuration on a Logix controller in the chassis.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Rockwell
Published
Updated
Sep 25, 2025, 1:34 PM
Reserved
Jun 21, 2024, 12:21 PM
Status
Deferred
Published
Aug 1, 2024, 4:15 PM
Modified
Jun 17, 2026, 8:17 AM