CVE-2022-3752 Rockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service Attack
An attacker can cause a denial-of-service condition in Rockwell Logix controllers by sending crafted Ethernet/IP messages, requiring manual recovery.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-3752?
CVE-2022-3752 is a high-severity denial of service vulnerability in Rockwell Automation Compact GuardLogix 5380, published on 19 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2022-3752?
It affects 5 products.
Products include Rockwellautomation Compact Guardlogix 5380 Firmware, Rockwellautomation Compactlogix 5380 Firmware, Rockwellautomation Compactlogix 5480 Firmware, Rockwellautomation Compactlogix 5580 Firmware, Rockwellautomation Guardlogix 5580 Firmware.
How do I fix CVE-2022-3752?
No fix has been published for CVE-2022-3752 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-3752 being exploited?
There is no known exploitation of CVE-2022-3752 in the wild and no public exploit code.
Other vulnerabilities in Rockwell Automation Compact GuardLogix 5380
Sources
Also known as GHSA-q432-7rqq-8cfj.