# CVE-2024-39675: Misconfiguration in RUGGEDCOM RMC30

> Siemens RUGGEDCOM devices may expose Modbus services on non-managed VLANs in specific configurations, allowing unauthorized access to serial devices.

- **Severity:** High 8.7 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Jul 2024
- **Updated:** 27 Aug 2025
- **Also known as:** GHSA-2fxj-84g8-m9vw

## What is CVE-2024-39675?

CVE-2024-39675 is a high-severity vulnerability in Siemens RUGGEDCOM RMC30, published on 9 Jul 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 RUGGEDCOM RMC30 (All versions < V4.3.10), RUGGEDCOM RMC30NC (All versions < V4.3.10), RUGGEDCOM RP110 (All versions < V4.3.10), RUGGEDCOM RP110NC (All versions < V4.3.10), RUGGEDCOM RS400 (All versions < V4.3.10), RUGGEDCOM RS400NC (All versions < V4.3.10), RUGGEDCOM RS401 (All versions < V4.3.10), RUGGEDCOM RS401NC (All versions < V4.3.10), RUGGEDCOM RS416 (All versions < V4.3.10), RUGGEDCOM RS416NC (All versions < V4.3.10), RUGGEDCOM RS416NCv2 V4.X (All versions < V4.3.10), RUGGEDCOM RS416NCv2 V5.X (All versions < V5.9.0), RUGGEDCOM RS416P (All versions < V4.3.10), RUGGEDCOM RS416PNC (All versions < V4.3.10), RUGGEDCOM RS416PNCv2 V4.X (All versions < V4.3.10), RUGGEDCOM RS416PNCv2 V5.X (All versions < V5.9.0), RUGGEDCOM RS416Pv2 V4.X (All versions < V4.3.10), RUGGEDCOM RS416Pv2 V5.X (All versions < V5.9.0), RUGGEDCOM RS416v2 V4.X (All versions < V4.3.10), RUGGEDCOM RS416v2 V5.X (All versions < V5.9.0), RUGGEDCOM RS910 (All versions < V4.3.10), RUGGEDCOM RS910L (All versions), RUGGEDCOM RS910LNC (All versions), RUGGEDCOM RS910NC (All versions < V4.3.10), RUGGEDCOM RS910W (All versions < V4.3.10), RUGGEDCOM RS920L (All versions), RUGGEDCOM RS920LNC (All versions), RUGGEDCOM RS920W (All versions). In some configurations the affected products wrongly enable the Modbus service in non-managed VLANS. Only serial devices are affected by this vulnerability.

Weakness: CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere)

## Which versions are affected by CVE-2024-39675?


## How do I fix CVE-2024-39675?

No fix has been published for CVE-2024-39675 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-39675 being exploited?

There is no known exploitation of CVE-2024-39675 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-39675 and fix it if it is affected.

What it is: CVE-2024-39675 is a high-severity vulnerability in Siemens RUGGEDCOM RMC30, published on 9 Jul 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-2024-39675 in the wild and no public exploit code.

Affected product: Siemens RUGGEDCOM RMC30. 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-2024-39675/ (Markdown: https://insights.sbomify.com/CVE-2024-39675/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-39675
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-39675
- OSV: https://osv.dev/vulnerability/CVE-2024-39675

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-39675/
Summaries are generated and may contain mistakes; the official description above is the record.