CVE-2021-43229 : Exploit Details and Defense Strategies

Windows NTFS Elevation of Privilege Vulnerability was published on December 15, 2021, affecting various Microsoft Windows versions. The vulnerability poses a high severity risk with a CVSS base score of 7.8.

Understanding CVE-2021-43229

Windows NTFS Elevation of Privilege Vulnerability impacts multiple Windows versions, potentially leading to an elevation of privilege.

What is CVE-2021-43229?

The CVE-2021-43229 vulnerability involves an elevation of privilege, indicating unauthorized users can gain elevated access on the affected systems.

The Impact of CVE-2021-43229

The vulnerability can result in unauthorized users escalating their privileges on compromised systems, potentially leading to unauthorized actions.

Technical Details of CVE-2021-43229

The CVE-2021-43229 vulnerability includes:

Vulnerability Description

Title: Windows NTFS Elevation of Privilege Vulnerability
Date Published: December 15, 2021
Severity: High
Base Score: 7.8 (CVSS)

Affected Systems and Versions

The following Microsoft products are affected:

Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows 10 Version 1909
and more...

Exploitation Mechanism

Attack Vector: Local
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality, Integrity, Availability: High

Mitigation and Prevention

Steps to address the CVE-2021-43229 vulnerability:

Immediate Steps to Take

Apply security updates provided by Microsoft
Monitor for any unauthorized access or changes on the system

Long-Term Security Practices

Regularly update and patch systems to prevent vulnerabilities
Implement the principle of least privilege to restrict user access

Patching and Updates

Microsoft has released security updates to address the vulnerability