Vulnerability · Published Dec 19, 2022 · Assigned by Rockwell
CVE-2022-3752Rockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service Attack
High 8.6
In plain English
A high-severity improper input validation in Compact GuardLogix 5380 from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rockwell Automation | CompactLogix 5480 | 32.011 and later |
| Rockwell Automation | ControlLogix 5580 | 31.011 and later |
| Rockwell Automation | GuardLogix 5580 | 31.011 and later |
| Rockwell Automation | Compact GuardLogix 5380 | 31.011 and later |
| Rockwell Automation | CompactLogix 5380 | 31.011 and later |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H