CVE-2021-41345 : What You Need to Know

A Storage Spaces Controller Elevation of Privilege Vulnerability affecting various Microsoft Windows versions.

Understanding CVE-2021-41345

What is CVE-2021-41345?

The CVE-2021-41345 is an Elevation of Privilege Vulnerability in the Storage Spaces Controller.

The Impact of CVE-2021-41345

This vulnerability has a high severity base score of 7.8, posing significant risks to affected systems and data.

Technical Details of CVE-2021-41345

Vulnerability Description

The Storage Spaces Controller Elevation of Privilege Vulnerability allows attackers to elevate privileges on the affected systems.

Affected Systems and Versions

Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows 10 Version 1909
Windows 10 Version 21H1
Windows Server 2022
Windows 10 Version 2004
Windows Server version 2004
Windows 10 Version 20H2
Windows Server version 20H2
Windows 11 version 21H2
Windows 10 Version 1507
Windows 10 Version 1607
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows 8.1
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

Exploitation Mechanism

The vulnerability can be exploited by a local attacker to gain elevated privileges on the affected systems.

Mitigation and Prevention

Immediate Steps to Take

Apply the security update provided by Microsoft to address the vulnerability.
Monitor for any suspicious activities on the systems.

Long-Term Security Practices

Regularly update and patch the systems to prevent such security risks.
Implement the principle of least privilege to limit user access.

Patching and Updates

Ensure timely installation of security patches and updates to protect the systems from known vulnerabilities.