What is CVE-2021-47851?

CVE-2021-47851 is a critical-severity vulnerability in Yodinfo Mini Mouse, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-01-21.

How severe is CVE-2021-47851?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Yodinfo Mini Mouse

CVE-2021-47851

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.010 (60.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Yodinfo Mini Mouse — versions 9.2.0
Yodinfo Mini_mouse — versions 9.2.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (Exploit, VDB Entry, exploit)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2021-47851?: CVE-2021-47851 is a critical-severity vulnerability in Yodinfo Mini Mouse, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-01-21.
How severe is CVE-2021-47851?: Critical severity. CVSS v3 base score is 9.8 out of 10.