# CVE-2022-30792: Denial of service in CODESYS Control RTE (SL)

> Unauthenticated attackers can block new communication channels in CODESYS Control Runtime, causing denial of service for industrial control systems.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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:** 11 Jul 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-mr6x-v529-vfj8

## What is CVE-2022-30792?

CVE-2022-30792 is a high-severity denial of service vulnerability in Codesys Control for Iot2000 Sl, published on 11 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2022-30792?

It affects 19 products.


Products: Codesys Control for Beaglebone, Codesys Control for Empc-A\/Imx6, Codesys Control for Iot2000 Sl, Codesys Control for Linux Sl, Codesys Control for Pfc100 Sl, Codesys Control for Pfc200 Sl, Codesys Control for Plcnext, Codesys Control for Raspberry Pi Sl, Codesys Control for Wago Touch Panels 600, Codesys Control Rte Sl, Codesys Control Rte Sl \(For Beckhoff Cx\), Codesys Control Runtime System Toolkit, Codesys Control Win, Codesys Development System, Codesys Edge Gateway, Codesys Embedded Target Visu Toolkit, Codesys Gateway, Codesys Hmi, Codesys Remote Target Visu Toolkit.

## How do I fix CVE-2022-30792?

No fix has been published for CVE-2022-30792 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-30792 being exploited?

There is no known exploitation of CVE-2022-30792 in the wild and no public exploit code.

## Other vulnerabilities in Codesys Control for Iot2000 Sl

- [CVE-2020-10245](https://insights.sbomify.com/CVE-2020-10245/): Memory corruption in n/a (critical 9.8)
- [CVE-2019-18858](https://insights.sbomify.com/CVE-2019-18858/): Memory corruption in n/a (critical 9.8)
- [CVE-2019-13548](https://insights.sbomify.com/CVE-2019-13548/): Memory corruption in CODESYS V3 web server (critical 9.8)
- [CVE-2018-25048](https://insights.sbomify.com/CVE-2018-25048/): Codesys Runtime Improper Limitation of a Pathname (high 8.8)
- [CVE-2019-9008](https://insights.sbomify.com/CVE-2019-9008/): Privilege escalation in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-30792 and fix it if it is affected.

What it is: CVE-2022-30792 is a high-severity denial of service vulnerability in Codesys Control for Iot2000 Sl, published on 11 Jul 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-2022-30792 in the wild and no public exploit code.

Affected product: Codesys Control for Iot2000 Sl. 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-2022-30792/ (Markdown: https://insights.sbomify.com/CVE-2022-30792/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-30792
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-30792
- OSV: https://osv.dev/vulnerability/CVE-2022-30792

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-30792/
Summaries are generated and may contain mistakes; the official description above is the record.