# CVE-2021-44056: Improper authentication in Video Station

> Attackers can bypass authentication in QNAP Video Station to compromise system security, requiring an upgrade to patched versions.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N`)
- **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:** 5 May 2022
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-rq2w-6955-5m7c

## What is CVE-2021-44056?

CVE-2021-44056 is a high-severity authentication bypass vulnerability in QNAP Systems Inc. Video Station, published on 5 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An improper authentication vulnerability has been reported to affect QNAP device running Video Station. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Video Station: Video Station 5.5.9 and later Video Station 5.3.13 and later Video Station 5.1.8 and later

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2021-44056?

It affects 1 product.


Products: Qnap Video Station.

## How do I fix CVE-2021-44056?

No fix has been published for CVE-2021-44056 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-44056 being exploited?

There is no known exploitation of CVE-2021-44056 in the wild and no public exploit code.

## Other vulnerabilities in QNAP Systems Inc. Video Station

- [CVE-2023-34976](https://insights.sbomify.com/CVE-2023-34976/): Video Station (critical 10.0)
- [CVE-2017-13071](https://insights.sbomify.com/CVE-2017-13071/): Command injection in Video Station (critical 9.8)
- [CVE-2023-50360](https://insights.sbomify.com/CVE-2023-50360/): Video Station (high 8.8)
- [CVE-2023-41288](https://insights.sbomify.com/CVE-2023-41288/): Video Station (high 8.8)
- [CVE-2021-28812](https://insights.sbomify.com/CVE-2021-28812/): Command Injection Vulnerability in Video Station (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-44056 and fix it if it is affected.

What it is: CVE-2021-44056 is a high-severity authentication bypass vulnerability in QNAP Systems Inc. Video Station, published on 5 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-44056 in the wild and no public exploit code.

Affected product: QNAP Systems Inc. Video 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-2021-44056/ (Markdown: https://insights.sbomify.com/CVE-2021-44056/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-44056
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-44056
- OSV: https://osv.dev/vulnerability/CVE-2021-44056

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-44056/
Summaries are generated and may contain mistakes; the official description above is the record.