CVE-2022-3752
Last modified
CVE-2022-3752 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. . EPSS estimates a 1.22% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Compactlogix 5480 Firmware | >= 32.011 |
| Rockwellautomation | Compactlogix 5580 Firmware | >= 31.011 |
| Rockwellautomation | Guardlogix 5580 Firmware | >= 32.011 |
| Rockwellautomation | Compact Guardlogix 5380 Firmware | >= 31.011 |
| Rockwellautomation | Compactlogix 5380 Firmware | >= 31.011 |
References
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137664Permissions Required, Vendor Advisory
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137664Permissions Required, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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