CVE-2022-1797
Last modified
CVE-2022-1797 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable 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.. EPSS estimates a 1.92% chance of exploitation in the next 30 days.
Description
A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable 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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Compactlogix 5380 Firmware | < 33.011 |
| Rockwellautomation | Compact Guardlogix 5380 Firmware | < 33.011 |
| Rockwellautomation | Compactlogix 5480 Firmware | < 33.011 |
| Rockwellautomation | Controllogix 5580 Firmware | < 33.011 |
| Rockwellautomation | Guardlogix 5580 Firmware | < 33.011 |
| Rockwellautomation | Compactlogix 5370 Firmware | < 34.011 |
| Rockwellautomation | Compact Guardlogix 5370 Firmware | < 34.011 |
| Rockwellautomation | Controllogix 5570 Firmware | < 34.011 |
| Rockwellautomation | Guardlogix 5570 Firmware | < 34.011 |
References
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559Permissions Required, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01Third Party Advisory, US Government Resource
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559Permissions Required, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01Third Party Advisory, US Government Resource
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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