8.6
CWE
119
EPSS
0.048%
Advisory Published
Updated

CVE-2024-21916: Rockwell Automation Denial-of-service Vulnerability in ICE1 Controller

First published: Wed Jan 31 2024(Updated: )

A denial-of-service vulnerability exists in specific Rockwell Automation ControlLogix ang GuardLogix controllers. If exploited, the product could potentially experience a major nonrecoverable fault (MNRF). The device will restart itself to recover from the MNRF.

Credit: PSIRT@rockwellautomation.com

Affected SoftwareAffected VersionHow to fix
All of
rockwellautomation ControlLogix 5570 firmware=20.011
Rockwell Automation ControlLogix 5570
All of
Rockwell Automation GuardLogix 5570 Controller firmware=20.011
Rockwell Automation GuardLogix 5570 Controller firmware
All of
ControlLogix 5570 redundant Controller firmware=20.054_kit1
Rockwell Automation ControlLogix 5570 Redundant Controller

Remedy

* Update to corrected Firmware.  Affected Product First Known in Firmware Corrected in Firmware ControlLogix® 5570 20.011 v33.016, 34.013, 35.012, 36.011 and later GuardLogix® 5570 20.011 v33.016, 34.013, 35.012, 36.011 and later ControlLogix® 5570 redundant 20.054_kit1 v33.053_kit1, 34.052_kit1, 35.052_kit1, 36.051_kit1 and late

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Frequently Asked Questions

  • What is the severity of CVE-2024-21916?

    CVE-2024-21916 is classified as a denial-of-service vulnerability with the potential for significant impact due to major nonrecoverable faults.

  • How do I fix CVE-2024-21916?

    To mitigate CVE-2024-21916, it is advised to update the firmware of affected Rockwell Automation ControlLogix and GuardLogix controllers.

  • Which devices are affected by CVE-2024-21916?

    CVE-2024-21916 affects specific Rockwell Automation ControlLogix and GuardLogix controllers running firmware versions 20.011 and 20.054_kit1.

  • What could happen if CVE-2024-21916 is exploited?

    Exploitation of CVE-2024-21916 could lead to major nonrecoverable faults, causing the device to restart and potentially disrupting operations.

  • Who should be concerned about CVE-2024-21916?

    Users and administrators of Rockwell Automation ControlLogix and GuardLogix controllers should pay attention to CVE-2024-21916 due to its potential impact on system reliability.

Contact

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