high
8.6
CWE
20
Advisory Published
Updated

CVE-2022-3752: Rockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service Attack

First published: Mon Dec 19 2022(Updated: )

An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined with heavy traffic loading to cause a denial-of-service condition in Rockwell Automation Logix controllers resulting in a major non-recoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online and continue normal operation.

Credit: PSIRT@rockwellautomation.com

Affected SoftwareAffected VersionHow to fix
Rockwell Automation CompactLogix 5480 Firmware>=32.011
Rockwell Automation CompactLogix 5480
Rockwell Automation CompactLogix 5580 Firmware>=31.011
Rockwell Automation CompactLogix 5580
Rockwell Automation GuardLogix 5580 Firmware>=32.011
Rockwell Automation GuardLogix 5580
Rockwell Automation Compact GuardLogix 5380 SIL 3 Firmware>=31.011
Rockwell Automation Compact GuardLogix 5380 Firmware
Rockwell Automation CompactLogix 5380 Firmware>=31.011
Rockwell Automation CompactLogix 5380 Firmware

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-3752?

    CVE-2022-3752 is a vulnerability that allows an unauthorized user to cause a denial-of-service condition in Rockwell Automation Logix controllers.

  • How does CVE-2022-3752 work?

    CVE-2022-3752 works by exploiting a specially crafted sequence of Ethernet/IP messages and heavy traffic loading to overwhelm the target device, causing a major non-recoverable fault.

  • Which devices are affected by CVE-2022-3752?

    Rockwell Automation Logix controllers are affected by CVE-2022-3752, including Compactlogix 5480, Compactlogix 5580, Guardlogix 5580, Compact Guardlogix 5380, and Compactlogix 5380.

  • What is the severity of CVE-2022-3752?

    CVE-2022-3752 has a severity rating of 7.5 out of 10, which is considered high.

  • How can I fix CVE-2022-3752?

    To fix CVE-2022-3752, it is recommended to upgrade to the latest firmware version provided by Rockwell Automation and follow their recommended security guidelines.

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