# CVE-2019-13920: Cross-site request forgery in SINEMA Remote Connect Server

> An attacker can trick a logged-in user into switching the connectivity state of a user or device via CSRF in Siemens SINEMA Remote Connect Server.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Sep 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-45pv-27p7-gvfx

## What is CVE-2019-13920?

CVE-2019-13920 is a medium-severity vulnerability in Siemens Sinema Remote Connect Server, published on 13 Sep 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V2.0 SP1). Some parts of the web application are not protected against Cross Site Request Forgery (CSRF) attacks. The security vulnerability could be exploited by an attacker that is able to trigger requests of a logged-in user to the application. The vulnerability could allow switching the connectivity state of a user or a device. At the time of advisory publication no public exploitation of this security vulnerability was known.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2019-13920?

It affects 1 product.


Products: Siemens Sinema Remote Connect Server.

## How do I fix CVE-2019-13920?

No fix has been published for CVE-2019-13920 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-13920 being exploited?

There is no known exploitation of CVE-2019-13920 in the wild and no public exploit code.

## Other vulnerabilities in Siemens Sinema Remote Connect Server

- [CVE-2022-32257](https://insights.sbomify.com/CVE-2022-32257/): Missing authorization in SINEMA Remote Connect Server (critical 9.8)
- [CVE-2019-13918](https://insights.sbomify.com/CVE-2019-13918/): Auth bypass in SINEMA Remote Connect Server (critical 9.8)
- [CVE-2024-39872](https://insights.sbomify.com/CVE-2024-39872/): Privilege escalation in SINEMA Remote Connect Server (critical 9.3)
- [CVE-2022-32251](https://insights.sbomify.com/CVE-2022-32251/): Missing authorization in SINEMA Remote Connect Server (high 8.8)
- [CVE-2022-32262](https://insights.sbomify.com/CVE-2022-32262/): Command injection in SINEMA Remote Connect Server (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-13920 and fix it if it is affected.

What it is: CVE-2019-13920 is a medium-severity vulnerability in Siemens Sinema Remote Connect Server, published on 13 Sep 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-13920 in the wild and no public exploit code.

Affected product: Siemens Sinema Remote Connect Server. 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-2019-13920/ (Markdown: https://insights.sbomify.com/CVE-2019-13920/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-13920
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-13920
- OSV: https://osv.dev/vulnerability/CVE-2019-13920

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-13920/
Summaries are generated and may contain mistakes; the official description above is the record.