CVE-2021-43221 Explained : Impact and Mitigation

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability was disclosed on November 19, 2021.

Understanding CVE-2021-43221

This CVE involves a Remote Code Execution vulnerability in Microsoft Edge (Chromium-based).

What is CVE-2021-43221?

The CVE-2021-43221 is a Remote Code Execution vulnerability affecting Microsoft Edge (Chromium-based) software.

The Impact of CVE-2021-43221

Type: Remote Code Execution
Severity: Medium
CVSS Base Score: 4.2
Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C

Technical Details of CVE-2021-43221

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Remote code execution vulnerability in Microsoft Edge (Chromium-based)

Affected Systems and Versions

Vendor: Microsoft
Product: Microsoft Edge (Chromium-based)
Versions Affected: 1.0.0 (less than version 96.0 1954.29)
Platforms: Unknown

Exploitation Mechanism

The vulnerability allows attackers to execute malicious code remotely.

Mitigation and Prevention

Steps to prevent and mitigate the effects of CVE-2021-43221.

Immediate Steps to Take

Update Microsoft Edge to version 96.0 1954.29 or above
Enable security features to block remote code execution

Long-Term Security Practices

Regularly update software and security patches
Conduct security audits and vulnerability assessments

Patching and Updates

Apply security updates provided by Microsoft to address the vulnerability.