# CVE-2023-32970: QTS, QuTS hero, QuTScloud

> Authenticated administrators can cause a denial-of-service attack via network on QNAP operating systems due to a NULL pointer dereference.

- **Severity:** Medium 4.9 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Oct 2023
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-vfgj-vqjw-hh7g

## What is CVE-2023-32970?

CVE-2023-32970 is a medium-severity vulnerability in Qnap Qts, published on 13 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to launch a denial-of-service (DoS) attack via a network.
QES is not affected.

We have already fixed the vulnerability in the following versions:
QuTS hero h5.0.1.2515 build 20230907 and later
QuTS hero h5.1.0.2453 build 20230708 and later
QuTS hero h4.5.4.2476 build 20230728 and later
QuTScloud c5.1.0.2498 and later
QTS 5.1.0.2444 build 20230629 and later
QTS 4.5.4.2467 build 20230718 and later

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2023-32970?

It affects 3 products.


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

## How do I fix CVE-2023-32970?

No fix has been published for CVE-2023-32970 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-32970 being exploited?

There is no known exploitation of CVE-2023-32970 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-2023-32970 and fix it if it is affected.

What it is: CVE-2023-32970 is a medium-severity vulnerability in Qnap Qts, published on 13 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-32970 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-2023-32970/ (Markdown: https://insights.sbomify.com/CVE-2023-32970/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-32970
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-32970
- OSV: https://osv.dev/vulnerability/CVE-2023-32970

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-32970/
Summaries are generated and may contain mistakes; the official description above is the record.