# CVE-2019-10952: Rockwell Automation CompactLogix 5370 Uncontrolled Resource Consumption

> Attackers can cause denial of service or remote code execution via crafted HTTP requests to Rockwell Automation CompactLogix controllers.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:** 1 May 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-cgc7-wrh2-gfjh

## What is CVE-2019-10952?

CVE-2019-10952 is a critical memory corruption vulnerability in Rockwell Automation Armor Compact GuardLogix 5370 controllers, published on 1 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An attacker could send a crafted HTTP/HTTPS request to render the web server unavailable and/or lead to remote code execution caused by a stack-based buffer overflow vulnerability. A cold restart is required for recovering 

CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.

Weakness: CWE-787 (Out-of-bounds Write), CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2019-10952?

It affects 4 products.


Products: Rockwellautomation Armor Compact Guardlogix 5370 Firmware, Rockwellautomation Compactlogix 5370 L1 Firmware, Rockwellautomation Compactlogix 5370 L2 Firmware, Rockwellautomation Compactlogix 5370 L3 Firmware.

## How do I fix CVE-2019-10952?

No fix has been published for CVE-2019-10952 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-10952 being exploited?

There is no known exploitation of CVE-2019-10952 in the wild and no public exploit code.

## Other vulnerabilities in Rockwell Automation Armor Compact GuardLogix 5370 controllers

- [CVE-2019-10954](https://insights.sbomify.com/CVE-2019-10954/): Rockwell Automation CompactLogix 5370 Stack-based Buffer Overflow (high 7.5)
- [CVE-2020-6998](https://insights.sbomify.com/CVE-2020-6998/): Rockwell Automation CompactLogix 5370 and ControlLogix 5570 Controllers Improper Input Validation (medium 5.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-10952 and fix it if it is affected.

What it is: CVE-2019-10952 is a critical memory corruption vulnerability in Rockwell Automation Armor Compact GuardLogix 5370 controllers, published on 1 May 2019. 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-2019-10952 in the wild and no public exploit code.

Affected product: Rockwell Automation Armor 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-2019-10952/ (Markdown: https://insights.sbomify.com/CVE-2019-10952/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-10952
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-10952
- OSV: https://osv.dev/vulnerability/CVE-2019-10952

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-10952/
Summaries are generated and may contain mistakes; the official description above is the record.