# CVE-2024-3739: cym1102 nginxWebUI upload os command injection

> Remote attackers can execute arbitrary OS commands via the file upload argument in nginxWebUI, requiring authentication.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:** 13 Apr 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-hw69-gv5r-v84f

## What is CVE-2024-3739?

CVE-2024-3739 is a medium-severity command injection vulnerability in cym1102 nginxWebUI, published on 13 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as critical was found in cym1102 nginxWebUI up to 3.9.9. This vulnerability affects unknown code of the file /adminPage/main/upload. The manipulation of the argument file leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-260578 is the identifier assigned to this vulnerability.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2024-3739?

It affects 1 product.


Products: Cym1102 Nginxwebui.

## How do I fix CVE-2024-3739?

No fix has been published for CVE-2024-3739 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-3739 being exploited?

There is no known exploitation of CVE-2024-3739 in the wild and no public exploit code.

## Other vulnerabilities in cym1102 nginxWebUI

- [CVE-2024-3738](https://insights.sbomify.com/CVE-2024-3738/): cym1102 nginxWebUI saveCmd handlePath certificate validation (high 7.3)
- [CVE-2024-3737](https://insights.sbomify.com/CVE-2024-3737/): cym1102 nginxWebUI addOver findCountByQuery path traversal (medium 6.3)
- [CVE-2024-3740](https://insights.sbomify.com/CVE-2024-3740/): cym1102 nginxWebUI reload exec deserialization (medium 6.3)
- [CVE-2026-2145](https://insights.sbomify.com/CVE-2026-2145/): cym1102 nginxWebUI Web Management check cross site scripting (medium 5.1)
- [CVE-2024-3736](https://insights.sbomify.com/CVE-2024-3736/): cym1102 nginxWebUI upload unrestricted upload (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-3739 and fix it if it is affected.

What it is: CVE-2024-3739 is a medium-severity command injection vulnerability in cym1102 nginxWebUI, published on 13 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-3739 in the wild and no public exploit code.

Affected product: cym1102 nginxWebUI. 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-2024-3739/ (Markdown: https://insights.sbomify.com/CVE-2024-3739/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-3739
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-3739
- OSV: https://osv.dev/vulnerability/CVE-2024-3739

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-3739/
Summaries are generated and may contain mistakes; the official description above is the record.