CVE-2021-27944 Information

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.

CVSS Vector

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

Reference

https://www.vizio.com https://www.l9group.com/advisories/vizio-tv-unauthenticated-remote-code-execution

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8