MidnightBSD

Advisories for vizio

CVE-2021-27942 HIGH

Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs allow a threat actor to execute arbitrary code from a USB drive via the Smart Cast functionality, because files on the USB drive are effectively under the web root and can be executed.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 6.8 MEDIUM CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 0.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: NVD-CWE-noinfo,

Products Affected

Vendor Product Version
vizio p65-f1_firmware 6.0.31.4-2
vizio e50x-e1_firmware 10.0.31.4-2
CVE-2021-27943 MEDIUM

The pairing procedure used by the Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs and mobile application is vulnerable to a brute-force attack (against only 10000 possibilities), allowing a threat actor to forcefully pair the device, leading to remote control of the TV settings and configurations.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N 3.9 3.6

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-307,

Products Affected

Vendor Product Version
vizio p65-f1_firmware 6.0.31.4-2
vizio e50x-e1_firmware 10.0.31.4-2
CVE-2021-27944 HIGH

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 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-78,

Products Affected

Vendor Product Version
vizio p65-f1_firmware 6.0.31.4-2
vizio e50x-e1_firmware 10.0.31.4-2