# CVE-2019-12803: Hunesion i-oneNet unrestricted file upload vulnerability

> Attackers can upload malicious webshells due to missing file type validation, leading to remote code execution on the server.

- **Severity:** High 8.8 (`CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Jul 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-x27m-3hh4-x74r

## What is CVE-2019-12803?

CVE-2019-12803 is a high-severity vulnerability in Hunesion i-oneNet, published on 10 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

In Hunesion i-oneNet version 3.0.7 ~ 3.0.53 and 4.0.4 ~ 4.0.16, the specific upload web module doesn't verify the file extension and type, and an attacker can upload a webshell. After the webshell upload, an attacker can use the webshell to perform remote code exection such as running a system command.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2019-12803?

It affects 1 product.


Products: Hunesion I-Onenet.

## How do I fix CVE-2019-12803?

No fix has been published for CVE-2019-12803 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-12803 being exploited?

There is no known exploitation of CVE-2019-12803 in the wild and no public exploit code.

## Other vulnerabilities in Hunesion i-oneNet

- [CVE-2019-12804](https://insights.sbomify.com/CVE-2019-12804/): Hunesion i-oneNet Missing Support for Integrity Check vulnerability (high 7.8)
- [CVE-2017-16900](https://insights.sbomify.com/CVE-2017-16900/): Auth bypass in n/a (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-12803 and fix it if it is affected.

What it is: CVE-2019-12803 is a high-severity vulnerability in Hunesion i-oneNet, published on 10 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-12803 in the wild and no public exploit code.

Affected product: Hunesion i-oneNet. 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-2019-12803/ (Markdown: https://insights.sbomify.com/CVE-2019-12803/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-12803
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-12803
- OSV: https://osv.dev/vulnerability/CVE-2019-12803

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-12803/
Summaries are generated and may contain mistakes; the official description above is the record.