What is CVE-2021-27451?

CVE-2021-27451 is a high-severity vulnerability in Mesa Labs Amegaview, classified under Improper Authentication. CVSS score: 7.3/10. Published 2021-12-21.

How severe is CVE-2021-27451?

High severity. CVSS v3 base score is 7.3 out of 10.

Auth bypass in Mesa Labs Amegaview

CVE-2021-27451

Mesa Labs AmegaView Versions 3.0 and prior’s passcode is generated by an easily reversible algorithm, which may allow an attacker to gain access to the device.

Vulnerability class: Broken Authentication

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

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.008 (55.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Mesa Labs Amegaview — versions unspecified
Mesalabs Amegaview

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2021-27451?: CVE-2021-27451 is a high-severity vulnerability in Mesa Labs Amegaview, classified under Improper Authentication. CVSS score: 7.3/10. Published 2021-12-21.
How severe is CVE-2021-27451?: High severity. CVSS v3 base score is 7.3 out of 10.