# CVE-2020-36197: Improper Access Control Vulnerability in Music Station

> Attackers can exploit improper access control in QNAP Music Station to gain privileges, read sensitive data, and execute commands.

- **Severity:** High 7.1 (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H`)
- **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:** 13 May 2021
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-7mc6-7xwc-c4wg

## What is CVE-2020-36197?

CVE-2020-36197 is a high-severity missing authorization vulnerability in QNAP Systems Inc. Music Station, published on 13 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

An improper access control vulnerability has been reported to affect earlier versions of Music Station. If exploited, this vulnerability allows attackers to compromise the security of the software by gaining privileges, reading sensitive information, executing commands, evading detection, etc. This issue affects: QNAP Systems Inc. Music Station versions prior to 5.3.16 on QTS 4.5.2; versions prior to 5.2.10 on QTS 4.3.6; versions prior to 5.1.14 on QTS 4.3.3; versions prior to 5.3.16 on QuTS hero h4.5.2; versions prior to 5.3.16 on QuTScloud c4.5.4.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2020-36197?

It affects 1 product.


Products: Qnap Music Station.

## How do I fix CVE-2020-36197?

No fix has been published for CVE-2020-36197 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36197 being exploited?

There is no known exploitation of CVE-2020-36197 in the wild and no public exploit code.

## Other vulnerabilities in QNAP Systems Inc. Music Station

- [CVE-2018-19950](https://insights.sbomify.com/CVE-2018-19950/): Command injection in Music Station (critical 9.8)
- [CVE-2018-0729](https://insights.sbomify.com/CVE-2018-0729/): Command injection in QNAP NAS devices (critical 9.8)
- [CVE-2018-0718](https://insights.sbomify.com/CVE-2018-0718/): Command injection in Music Station (critical 9.8)
- [CVE-2017-13069](https://insights.sbomify.com/CVE-2017-13069/): Command injection in n/a (critical 9.8)
- [CVE-2023-23365](https://insights.sbomify.com/CVE-2023-23365/): Music Station (high 7.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36197 and fix it if it is affected.

What it is: CVE-2020-36197 is a high-severity missing authorization vulnerability in QNAP Systems Inc. Music Station, published on 13 May 2021. 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-2020-36197 in the wild and no public exploit code.

Affected product: QNAP Systems Inc. Music Station. 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-2020-36197/ (Markdown: https://insights.sbomify.com/CVE-2020-36197/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36197
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36197
- OSV: https://osv.dev/vulnerability/CVE-2020-36197

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-36197/
Summaries are generated and may contain mistakes; the official description above is the record.