# CVE-2019-10925: Privilege escalation in SIMATIC MV400 family

> An authenticated attacker can escalate privileges on Siemens SIMATIC MV400 devices via crafted web requests, compromising integrity and availability.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Jun 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-978q-hc83-rf9p

## What is CVE-2019-10925?

CVE-2019-10925 is a high-severity vulnerability in Siemens SIMATIC MV400 family, published on 12 Jun 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). An authenticated attacker could escalate privileges by sending specially crafted requests to the integrated webserver. The security vulnerability can be exploited by an attacker with network access to the device. Valid user credentials, but no user interaction are required. Successful exploitation compromises integrity and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2019-10925?

It affects 2 products.


Products: Siemens Simatic Mv420 Firmware, Siemens Simatic Mv440 Firmware.

## How do I fix CVE-2019-10925?

No fix has been published for CVE-2019-10925 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-10925 being exploited?

There is no known exploitation of CVE-2019-10925 in the wild and no public exploit code.

## Other vulnerabilities in Siemens SIMATIC MV400 family

- [CVE-2020-27632](https://insights.sbomify.com/CVE-2020-27632/): Weak cryptography in n/a (high 7.5)
- [CVE-2019-10926](https://insights.sbomify.com/CVE-2019-10926/): Information disclosure in SIMATIC MV400 family (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-10925 and fix it if it is affected.

What it is: CVE-2019-10925 is a high-severity vulnerability in Siemens SIMATIC MV400 family, published on 12 Jun 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-10925 in the wild and no public exploit code.

Affected product: Siemens SIMATIC MV400 family. 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-2019-10925/ (Markdown: https://insights.sbomify.com/CVE-2019-10925/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-10925
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-10925
- OSV: https://osv.dev/vulnerability/CVE-2019-10925

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-10925/
Summaries are generated and may contain mistakes; the official description above is the record.