# CVE-2024-8878: Unauthenticated Password Reset

> An unauthenticated attacker can reset the admin password on Riello Netman 204 devices, gaining full control of the system.

- **Severity:** Critical 10.0 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Sep 2024
- **Updated:** 4 Nov 2025
- **Also known as:** GHSA-52jr-7fqr-h29h

## What is CVE-2024-8878?

CVE-2024-8878 is a critical authentication bypass vulnerability in Riello Netman 204, published on 24 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The password recovery mechanism for the forgotten password in Riello Netman 204 allows an attacker to reset the admin password and take over control of the device.This issue affects Netman 204: through 4.05.

Weakness: CWE-640 (Weak Password Recovery Mechanism for Forgotten Password)

## Which versions are affected by CVE-2024-8878?

It affects 1 product.


Products: Riello-Ups Netman 204 Firmware.

## How do I fix CVE-2024-8878?

No fix has been published for CVE-2024-8878 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-8878 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8878 exists.

## Other vulnerabilities in Riello Netman 204

- [CVE-2022-47893](https://insights.sbomify.com/CVE-2022-47893/): NetMan 204 Remote Code Execution (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-2024-8878 and fix it if it is affected.

What it is: CVE-2024-8878 is a critical authentication bypass vulnerability in Riello Netman 204, published on 24 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8878 exists.

Affected product: Riello 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-2024-8878/ (Markdown: https://insights.sbomify.com/CVE-2024-8878/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-8878
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-8878
- OSV: https://osv.dev/vulnerability/CVE-2024-8878

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-8878/
Summaries are generated and may contain mistakes; the official description above is the record.