CVE-2021-27942 : Vulnerability Insights and Analysis
Learn about CVE-2021-27942 impacting Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs, allowing threat actors to run arbitrary code via USB drive through Smart Cast functionality.
Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs are susceptible to CVE-2021-27942, allowing threat actors to execute arbitrary code from a USB drive through the Smart Cast feature. This is due to files on the USB drive being effectively under the web root and executable.
Understanding CVE-2021-27942
This section will delve into the details of the CVE-2021-27942 vulnerability.
What is CVE-2021-27942?
The CVE-2021-27942 vulnerability affects Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs, enabling threat actors to run arbitrary code from a USB drive via the Smart Cast functionality.
The Impact of CVE-2021-27942
The impact of CVE-2021-27942 is significant as it allows malicious entities to execute unauthorized code through a USB drive, potentially leading to unauthorized access and control.
Technical Details of CVE-2021-27942
This section will provide technical insights into the CVE-2021-27942 vulnerability.
Vulnerability Description
CVE-2021-27942 enables threat actors to execute arbitrary code from a USB drive through Vizio Smart TVs, exploiting the Smart Cast functionality.
Affected Systems and Versions
The affected systems include Vizio P65-F1 6.0.31.4-2 and E50x-E1 10.0.31.4-2 Smart TVs.
Exploitation Mechanism
Threat actors can leverage the Smart Cast feature to execute unauthorized code from a USB drive due to files being positioned under the web root.
Mitigation and Prevention
This section will outline steps to mitigate and prevent the CVE-2021-27942 vulnerability.
Immediate Steps to Take
Users should avoid connecting unknown USB drives to Vizio Smart TVs and update to the latest firmware patch provided by Vizio.
Long-Term Security Practices
Implementing network segmentation and regularly updating device firmware can enhance overall security posture.
Patching and Updates
It is crucial to regularly check for firmware updates from Vizio and apply them promptly to prevent exploitation of the CVE-2021-27942 vulnerability.