What is the CVSS score of CVE-2021-47851?

CVE-2021-47851 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Which versions of Mini Mouse are affected by CVE-2021-47851?

Organizations using Mini Mouse 9.2.0 face critical risk from CVE-2021-47851, a OS command injection vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2021-47851?

Yes, a public proof-of-concept exploit is available for CVE-2021-47851. Prioritise patching immediately. EPSS: 0.7%.

How to fix or mitigate CVE-2021-47851?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Validate that input sanitization is in place for all user-controlled parameters.

Mini Mouse CVE-2021-47851

CRITICAL

OS Command Injection (CWE-78)

2026-01-21 disclosure@vulncheck.com

RCE Mini Mouse

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 02, 2026 - 17:29 vuln.today

Public exploit code

CVE Published

Jan 21, 2026 - 18:16 nvd

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

Mini Mouse 9.2.0 remote control application has an RCE vulnerability allowing attackers to execute arbitrary OS commands through the remote control protocol.

Technical ContextAI

Mini Mouse 9.2.0, a mobile-to-desktop remote control application, has a CWE-78 command injection vulnerability in its control protocol that allows attackers to inject and execute OS commands.

RemediationAI

Update Mini Mouse. Restrict the application to trusted networks only. Consider using more secure remote control alternatives.

CVE-2021-47851 vulnerability details – vuln.today

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Mini Mouse CVE-2021-47851

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code