CVE-2021-40478 : Security Advisory and Response
Learn about CVE-2021-40478 affecting multiple Windows versions. Understand the impact, affected systems, and mitigation strategies for the Storage Spaces Controller Elevation of Privilege Vulnerability.
This CVE article provides details about the Storage Spaces Controller Elevation of Privilege Vulnerability affecting various Microsoft Windows versions.
Understanding CVE-2021-40478
This section delves into the specifics of the vulnerability and its impact on affected systems.
What is CVE-2021-40478?
The Storage Spaces Controller Elevation of Privilege Vulnerability poses a threat to several Windows versions, allowing attackers to gain elevated privileges.
The Impact of CVE-2021-40478
The vulnerability's impact is classified as a high severity elevation of privilege issue with a CVSS base score of 7.8.
Technical Details of CVE-2021-40478
Explore the technical aspects and mitigation strategies for CVE-2021-40478.
Vulnerability Description
The vulnerability enables attackers to elevate privileges on affected systems by exploiting the Storage Spaces Controller.
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
Attackers can exploit the vulnerability to escalate privileges through the Storage Spaces Controller on affected systems.
Mitigation and Prevention
Learn about the necessary steps to mitigate and prevent this vulnerability on Windows systems.
Immediate Steps to Take
- Apply the security patches provided by Microsoft promptly.
- Monitor for any unauthorized system access.
Long-Term Security Practices
- Implement the principle of least privilege within the organization.
- Conduct regular security training and awareness programs for employees.
Patching and Updates
Regularly check for updates from Microsoft and install security patches to eliminate the vulnerability effectively.