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

> A malformed Class 3 CIP message causes a denial-of-service condition in Rockwell Automation Logix Controllers, requiring manual fault clearing and project redownload.

- **Severity:** Medium 6.8 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 May 2022
- **Updated:** 16 Apr 2025
- **Also known as:** GHSA-5w24-2pmc-xhp3

## What is CVE-2022-1797?

CVE-2022-1797 is a medium-severity denial of service vulnerability in Rockwell Automation Compact GuardLogix 5370 controllers, published on 31 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2022-1797?

It affects 9 products.


Products: Rockwellautomation Compact Guardlogix 5370 Firmware, Rockwellautomation Compact Guardlogix 5380 Firmware, Rockwellautomation Compactlogix 5370 Firmware, Rockwellautomation Compactlogix 5380 Firmware, Rockwellautomation Compactlogix 5480 Firmware, Rockwellautomation Controllogix 5570 Firmware, Rockwellautomation Controllogix 5580 Firmware, Rockwellautomation Guardlogix 5570 Firmware, Rockwellautomation Guardlogix 5580 Firmware.

## How do I fix CVE-2022-1797?

No fix has been published for CVE-2022-1797 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-1797 being exploited?

There is no known exploitation of CVE-2022-1797 in the wild and no public exploit code.

## Other vulnerabilities in Rockwell Automation Compact GuardLogix 5370 controllers

- [CVE-2022-1161](https://insights.sbomify.com/CVE-2022-1161/): ICSA-22-090-05 Rockwell Automation Logix Controllers (critical 10.0)
- [CVE-2022-3157](https://insights.sbomify.com/CVE-2022-3157/): Rockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service Attack (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-1797 and fix it if it is affected.

What it is: CVE-2022-1797 is a medium-severity denial of service vulnerability in Rockwell Automation Compact GuardLogix 5370 controllers, published on 31 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-1797 in the wild and no public exploit code.

Affected product: Rockwell Automation Compact GuardLogix 5370 controllers. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-1797/ (Markdown: https://insights.sbomify.com/CVE-2022-1797/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-1797
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-1797
- OSV: https://osv.dev/vulnerability/CVE-2022-1797

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-1797/
Summaries are generated and may contain mistakes; the official description above is the record.
