# CVE-2024-23814: Denial of service in SIDOOR ATD430W

> Unauthenticated remote attackers can cause a temporary denial of service in the ICMP service of Siemens industrial devices via crafted IP fragments.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Feb 2025
- **Updated:** 10 Jul 2025
- **Also known as:** GHSA-gx9r-288j-7947

## What is CVE-2024-23814?

CVE-2024-23814 is a medium-severity denial of service vulnerability in Siemens SIDOOR ATD430W, published on 11 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The integrated ICMP service of the network stack of affected devices can be  forced to exhaust its available memory resources when receiving specially crafted messages targeting IP fragment re-assembly. This could allow an unauthenticated remote attacker to cause a temporary denial of service condition of the ICMP service, other communication services are not affected. Affected devices will resume normal operation after the attack terminates.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2024-23814?


## How do I fix CVE-2024-23814?

No fix has been published for CVE-2024-23814 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-23814 being exploited?

There is no known exploitation of CVE-2024-23814 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-23814 and fix it if it is affected.

What it is: CVE-2024-23814 is a medium-severity denial of service vulnerability in Siemens SIDOOR ATD430W, published on 11 Feb 2025. 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-2024-23814 in the wild and no public exploit code.

Affected product: Siemens SIDOOR ATD430W. 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-2024-23814/ (Markdown: https://insights.sbomify.com/CVE-2024-23814/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-23814
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-23814
- OSV: https://osv.dev/vulnerability/CVE-2024-23814

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-23814/
Summaries are generated and may contain mistakes; the official description above is the record.