What is CVE-2021-27447?

CVE-2021-27447 is a critical-severity vulnerability in Mesa Labs Amegaview, classified under Command Injection. CVSS score: 10.0/10. Published 2021-12-21.

How severe is CVE-2021-27447?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Mesa Labs Amegaview

CVE-2021-27447

Mesa Labs AmegaView version 3.0 is vulnerable to a command injection, which may allow an attacker to remotely execute arbitrary code.

Vulnerability class: Command Injection (OS Command Injection)

Published 2021-12-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Mesa Labs Amegaview — versions unspecified
Mesalabs Amegaview

Weakness classification (CWE)

CWE-77 — Command Injection

References

www.cisa.gov/uscert/ics/advisories/icsa-21-147-03 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-27447?: CVE-2021-27447 is a critical-severity vulnerability in Mesa Labs Amegaview, classified under Command Injection. CVSS score: 10.0/10. Published 2021-12-21.
How severe is CVE-2021-27447?: Critical severity. CVSS v3 base score is 10.0 out of 10.