# CVE-2024-43781: Information disclosure in SINUMERIK 828D V4

> Local authenticated users can read sensitive information from log files in SINUMERIK systems using Create MyConfig, bypassing access restrictions.

- **Severity:** Medium 6.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Sep 2024
- **Updated:** 10 Sep 2024
- **Also known as:** GHSA-g75j-c66m-v892

## What is CVE-2024-43781?

CVE-2024-43781 is a medium-severity vulnerability in Siemens SINUMERIK 828D V4, published on 10 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability has been identified in SINUMERIK 828D V4 (All versions < V4.95 SP3), SINUMERIK 840D sl V4 (All versions < V4.95 SP3 in connection with using Create MyConfig (CMC) <= V4.8 SP1 HF6), SINUMERIK ONE (All versions < V6.23 in connection with using Create MyConfig (CMC) <= V6.6), SINUMERIK ONE (All versions < V6.15 SP4 in connection with using Create MyConfig (CMC) <= V6.6). Affected systems, that have been provisioned with Create MyConfig (CMC), contain a Insertion of Sensitive Information into Log File vulnerability. This could allow a local authenticated user with low privileges to read sensitive information and thus circumvent access restrictions.

Weakness: CWE-532 (Insertion of Sensitive Information into Log File)

## Which versions are affected by CVE-2024-43781?


## How do I fix CVE-2024-43781?

No fix has been published for CVE-2024-43781 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-43781 being exploited?

There is no known exploitation of CVE-2024-43781 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-43781 and fix it if it is affected.

What it is: CVE-2024-43781 is a medium-severity vulnerability in Siemens SINUMERIK 828D V4, published on 10 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-43781 in the wild and no public exploit code.

Affected product: Siemens SINUMERIK 828D V4. 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-2024-43781/ (Markdown: https://insights.sbomify.com/CVE-2024-43781/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-43781
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-43781
- OSV: https://osv.dev/vulnerability/CVE-2024-43781

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-43781/
Summaries are generated and may contain mistakes; the official description above is the record.