CVE-2021-27943 : Security Advisory and Response
Learn about CVE-2021-27943 affecting Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs, exposing them to brute-force attacks. Find out the impact, affected systems, and mitigation steps.
The CVE-2021-27943 vulnerability affects Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs and their mobile application. It exposes a flaw in the pairing procedure, making it susceptible to brute-force attacks.
Understanding CVE-2021-27943
This section will delve into the details of the vulnerability and its potential impact.
What is CVE-2021-27943?
The pairing procedure used by the Vizio Smart TVs and mobile application is vulnerable to a brute-force attack with only 10000 possibilities, allowing threat actors to remotely access and control the TV settings.
The Impact of CVE-2021-27943
The vulnerability can enable threat actors to forcefully pair the device, leading to unauthorized access and control over the TV settings and configurations.
Technical Details of CVE-2021-27943
Here we will explore the specifics of the vulnerability.
Vulnerability Description
The flaw in the pairing procedure of Vizio Smart TVs and the mobile application exposes them to brute-force attacks, posing a significant security risk.
Affected Systems and Versions
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs are impacted by this vulnerability, potentially putting users at risk of unauthorized access.
Exploitation Mechanism
Threat actors can exploit this vulnerability by conducting brute-force attacks to pair with the devices, granting them remote control abilities.
Mitigation and Prevention
This section will cover the steps to mitigate and prevent exploitation of CVE-2021-27943.
Immediate Steps to Take
Users are advised to update their Vizio Smart TVs and mobile applications to the latest security patches to address this vulnerability.
Long-Term Security Practices
Implementing strong, unique passwords and enabling two-factor authentication can enhance the security of Vizio devices and prevent unauthorized access.
Patching and Updates
Regularly check for and apply firmware updates and security patches released by Vizio to safeguard against known vulnerabilities.