CVE-2021-43891 Explained : Impact and Mitigation

Visual Studio Code Remote Code Execution Vulnerability was published on December 15, 2021, with a CVSS base score of 7.8.

Understanding CVE-2021-43891

This CVE impacts Visual Studio Code with a specific vulnerability allowing Remote Code Execution.

What is CVE-2021-43891?

The CVE identifies a Remote Code Execution vulnerability in Visual Studio Code, affecting versions less than 1.63.1.

The Impact of CVE-2021-43891

The vulnerability has a high base severity score of 7.8 according to CVSS 3.1 metrics.

Technical Details of CVE-2021-43891

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability enables Remote Code Execution within Visual Studio Code.

Affected Systems and Versions

Vendor: Microsoft
Product: Visual Studio Code
Affected Version: 1.0.0
Versions Less Than: 1.63.1
Platform: Unknown

Exploitation Mechanism

An attacker could exploit this vulnerability remotely to execute arbitrary code.

Mitigation and Prevention

Steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Upgrade Visual Studio Code to version 1.63.1 or above.
Avoid opening untrusted code or files.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement code review processes to detect and mitigate vulnerabilities.

Patching and Updates

Stay informed about security patches and apply them promptly.