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CVE-2021-27943 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks CVEExploitThird Party Advisory
https://www.vizio.com CVEVendor Advisory
https://www.l9group.com/advisories/vizio-tv-mobile-pairing-is-vulnerable-to-brute-force-attacks [email protected]ExploitThird Party Advisory
https://www.vizio.com [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-307Improper Restriction of Excessive Authentication Attempts[email protected]

Affected Products

ProductVersions
vizio p65-f1 firmware
6.0.31.4-2

CPE

  • cpe:2.3:o:vizio:p65-f1_firmware:6.0.31.4-2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
vizio p65-f1
All versions

CPE

  • cpe:2.3:h:vizio:p65-f1:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
vizio e50x-e1 firmware
10.0.31.4-2

CPE

  • cpe:2.3:o:vizio:e50x-e1_firmware:10.0.31.4-2:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
vizio e50x-e1
All versions

CPE

  • cpe:2.3:h:vizio:e50x-e1:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-27943
NVD Published Date:
Aug 2, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-27943 Details - Not Deferred