# CVE-2022-27600: QTS, QuTS hero, QuTScloud

> Remote attackers can cause a denial-of-service condition in QNAP operating systems through uncontrolled resource consumption.

- **Severity:** Medium 6.8 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Dec 2024
- **Updated:** 20 Dec 2024
- **Also known as:** GHSA-gxhj-h2vr-cfxw

## What is CVE-2022-27600?

CVE-2022-27600 is a medium-severity denial of service vulnerability in Qnap Qts, published on 19 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service (DoS) attack.

We have already fixed the vulnerability in the following versions:
QTS 5.0.1.2277 and later
QTS 4.5.4.2280 build 20230112 and later
QuTS hero h5.0.1.2277 build 20230112 and later
QuTS hero h4.5.4.2374 build 20230417 and later
QuTScloud c5.0.1.2374 and later

Weakness: CWE-798 (Use of Hard-coded Credentials), CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2022-27600?

It affects 3 products.


Products: Qnap Qts, Qnap Quts Hero, Qnap Qutscloud.

## How do I fix CVE-2022-27600?

No fix has been published for CVE-2022-27600 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-27600 being exploited?

There is no known exploitation of CVE-2022-27600 in the wild and no public exploit code.

## Other vulnerabilities in Qnap Qts

- [CVE-2020-2509](https://insights.sbomify.com/CVE-2020-2509/): QNAP Network-Attached Storage (NAS) Command Injection (critical 9.8, exploited in the wild)
- [CVE-2018-19949](https://insights.sbomify.com/CVE-2018-19949/): QNAP NAS File Station Command Injection (critical 9.8, exploited in the wild)
- [CVE-2019-7193](https://insights.sbomify.com/CVE-2019-7193/): QNAP QTS Improper Input Validation (critical 9.8, exploited in the wild)
- [CVE-2018-19943](https://insights.sbomify.com/CVE-2018-19943/): QNAP NAS File Station Cross-Site Scripting (high 8.0, exploited in the wild)
- [CVE-2018-19953](https://insights.sbomify.com/CVE-2018-19953/): QNAP NAS File Station Cross-Site Scripting (medium 6.1, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-27600 and fix it if it is affected.

What it is: CVE-2022-27600 is a medium-severity denial of service vulnerability in Qnap Qts, published on 19 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-27600 in the wild and no public exploit code.

Affected product: Qnap Qts. 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-2022-27600/ (Markdown: https://insights.sbomify.com/CVE-2022-27600/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-27600
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-27600
- OSV: https://osv.dev/vulnerability/CVE-2022-27600

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-27600/
Summaries are generated and may contain mistakes; the official description above is the record.