# CVE-2021-47851: Mini Mouse 9.2.0 - Remote Code Execution

> Attackers can execute arbitrary commands via an unauthenticated HTTP endpoint in Mini Mouse, leading to remote code execution.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Jan 2026
- **Updated:** 22 Jan 2026
- **Also known as:** GHSA-wqgq-6v9c-p5pw

## What is CVE-2021-47851?

CVE-2021-47851 is a critical command injection vulnerability in Yodinfo Mini Mouse, published on 21 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Mini Mouse 9.2.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary commands through an unauthenticated HTTP endpoint. Attackers can leverage the /op=command endpoint to download and execute payloads by sending crafted JSON requests with malicious script commands.

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

## Which versions are affected by CVE-2021-47851?

It affects 1 product.


Products: Yodinfo Mini Mouse.

## How do I fix CVE-2021-47851?

No fix has been published for CVE-2021-47851 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-47851 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47851 exists.

## Other vulnerabilities in Yodinfo Mini Mouse

- [CVE-2021-47849](https://insights.sbomify.com/CVE-2021-47849/): Mini Mouse 9.3.0 - Local File inclusion / Path Traversal (high 8.7)
- [CVE-2021-47850](https://insights.sbomify.com/CVE-2021-47850/): Mini Mouse 9.2.0 - Path Traversal (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-47851 and fix it if it is affected.

What it is: CVE-2021-47851 is a critical command injection vulnerability in Yodinfo Mini Mouse, published on 21 Jan 2026. 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-2021-47851 exists.

Affected product: Yodinfo Mini Mouse. 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-2021-47851/ (Markdown: https://insights.sbomify.com/CVE-2021-47851/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-47851
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-47851
- OSV: https://osv.dev/vulnerability/CVE-2021-47851

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-47851/
Summaries are generated and may contain mistakes; the official description above is the record.