CRITICAL

CVE-2021-27944

CVSS v3

9.8

CRITICAL

EPSS Score

3.5 %

exploit probability, as of 2026-10-18

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-27944 yet.

Full record on NVD

Description

Several high privileged APIs on the Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs do not enforce access controls, allowing an unauthenticated threat actor to access privileged functionality, leading to OS command execution. The specific attack methodology is a file upload.

Technical details

Published: 2021-08-26

Frequently asked questions

What is CVE-2021-27944?

Is CVE-2021-27944 actively exploited?

Active exploitation of CVE-2021-27944 has not been confirmed. Its EPSS score was 3.5% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-27944?

CVE-2021-27944 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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