# CVE-2024-46887: Missing authorization in SIMATIC Drive Controller CPU 1504D TF

> Unauthenticated attackers can access runtime information on Siemens SIMATIC devices via an unprotected web endpoint, exposing cycle times and communication load data.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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:** 8 Oct 2024
- **Updated:** 21 Oct 2025
- **Also known as:** GHSA-5qpf-cx59-xvm8

## What is CVE-2024-46887?

CVE-2024-46887 is a medium-severity missing authorization vulnerability in Siemens SIMATIC Drive Controller CPU 1504D TF, published on 8 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The web server of affected devices do not properly authenticate user request to the '/ClientArea/RuntimeInfoData.mwsl' endpoint. This could allow an unauthenticated remote attacker to gain knowledge about current actual and configured maximum cycle times as well as about configured maximum communication load.

Weakness: CWE-288 (Authentication Bypass Using an Alternate Path or Channel)

## Which versions are affected by CVE-2024-46887?


## How do I fix CVE-2024-46887?

No fix has been published for CVE-2024-46887 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-46887 being exploited?

There is no known exploitation of CVE-2024-46887 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-46887 and fix it if it is affected.

What it is: CVE-2024-46887 is a medium-severity missing authorization vulnerability in Siemens SIMATIC Drive Controller CPU 1504D TF, published on 8 Oct 2024. 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-2024-46887 in the wild and no public exploit code.

Affected product: Siemens SIMATIC Drive Controller CPU 1504D TF. 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-2024-46887/ (Markdown: https://insights.sbomify.com/CVE-2024-46887/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-46887
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-46887
- OSV: https://osv.dev/vulnerability/CVE-2024-46887

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-46887/
Summaries are generated and may contain mistakes; the official description above is the record.