# CVE-2022-47893: NetMan 204 Remote Code Execution

> Remote attackers can upload a malicious firmware file containing a webshell to execute arbitrary code with root privileges on NetMan 204 devices.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/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:** 3 Oct 2023
- **Updated:** 23 Sep 2024
- **Also known as:** GHSA-xp8c-vfh9-64v5

## What is CVE-2022-47893?

CVE-2022-47893 is a critical vulnerability in Riello UPS Netman-204, published on 3 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

There is a remote code execution vulnerability that affects all versions of NetMan 204. A remote attacker could upload a firmware file containing a webshell, that could allow him to execute arbitrary code as root.

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

## Which versions are affected by CVE-2022-47893?

It affects 1 product.


Products: Riello-Ups Netman 204 Firmware.

## How do I fix CVE-2022-47893?

No fix has been published for CVE-2022-47893 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-47893 being exploited?

There is no known exploitation of CVE-2022-47893 in the wild and no public exploit code.

## Other vulnerabilities in Riello UPS Netman-204

- [CVE-2024-8878](https://insights.sbomify.com/CVE-2024-8878/): Unauthenticated Password Reset (critical 10.0)
- [CVE-2017-6900](https://insights.sbomify.com/CVE-2017-6900/): Command injection in n/a (critical 9.8)
- [CVE-2022-3372](https://insights.sbomify.com/CVE-2022-3372/): Cross-Site Request Forgery (CSRF) in Riello UPS Netman-204 (high 8.8)
- [CVE-2022-47891](https://insights.sbomify.com/CVE-2022-47891/): Admin password reset in NetMan 204 (high 8.1)
- [CVE-2024-8877](https://insights.sbomify.com/CVE-2024-8877/): SQL Injection (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-47893 and fix it if it is affected.

What it is: CVE-2022-47893 is a critical vulnerability in Riello UPS Netman-204, published on 3 Oct 2023. 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-2022-47893 in the wild and no public exploit code.

Affected product: Riello UPS Netman-204. 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-2022-47893/ (Markdown: https://insights.sbomify.com/CVE-2022-47893/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-47893
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-47893
- OSV: https://osv.dev/vulnerability/CVE-2022-47893

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-47893/
Summaries are generated and may contain mistakes; the official description above is the record.