CVE-2022-3752: Rockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service Attack
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.
Affected Software
Event History
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.