# CVE-2019-3734: Missing authorization in Unity

> An authenticated operator can modify other users' NAS quota settings due to improper authorization checks in Dell EMC Unity storage systems.

- **Severity:** Medium 5.4 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L`)
- **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:** 18 Jul 2019
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-fq6w-66h9-rc8g

## What is CVE-2019-3734?

CVE-2019-3734 is a medium-severity missing authorization vulnerability in DELL EMC Unity, published on 18 Jul 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Dell EMC Unity and UnityVSA versions prior to 5.0.0.0.5.116 contain an improper authorization vulnerability in NAS Server quotas configuration. A remote authenticated Unisphere Operator could potentially exploit this vulnerability to edit quota configuration of other users.

## Which versions are affected by CVE-2019-3734?

It affects 2 products.


Products: Dell Emc Unity Operating Environment, Dell Emc Unityvsa Operating Environment.

## How do I fix CVE-2019-3734?

No fix has been published for CVE-2019-3734 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-3734 being exploited?

There is no known exploitation of CVE-2019-3734 in the wild and no public exploit code.

## Other vulnerabilities in DELL EMC Unity

- [CVE-2021-36294](https://insights.sbomify.com/CVE-2021-36294/): Auth bypass in VNX Control Station (critical 9.8)
- [CVE-2021-36288](https://insights.sbomify.com/CVE-2021-36288/): Path traversal in VNX2 (high 8.6)
- [CVE-2021-36289](https://insights.sbomify.com/CVE-2021-36289/): Information disclosure in VNX Control Station (high 7.8)
- [CVE-2019-3741](https://insights.sbomify.com/CVE-2019-3741/): Information disclosure in Unity (high 7.8)
- [CVE-2018-11064](https://insights.sbomify.com/CVE-2018-11064/): Privilege escalation in Dell EMC Unity (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-3734 and fix it if it is affected.

What it is: CVE-2019-3734 is a medium-severity missing authorization vulnerability in DELL EMC Unity, published on 18 Jul 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-3734 in the wild and no public exploit code.

Affected product: DELL EMC Unity. 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-2019-3734/ (Markdown: https://insights.sbomify.com/CVE-2019-3734/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-3734
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-3734
- OSV: https://osv.dev/vulnerability/CVE-2019-3734

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-3734/
Summaries are generated and may contain mistakes; the official description above is the record.