CVE-2022-3752
CWE-20Published: December 19, 2022· Updated: Jun 17, 2026
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.
Technical Analysis
CVE-2022-3752 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-3752 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts