CVE-2021-34493 : Security Advisory and Response
Learn about CVE-2021-34493, an elevation of privilege vulnerability in Windows Partition Management Driver affecting Windows 10 and Windows Server. Understand the impact, affected systems, and mitigation steps.
Windows Partition Management Driver Elevation of Privilege Vulnerability was published by Microsoft on July 13, 2021. This vulnerability affects multiple versions of Windows 10 and Windows Server, allowing an attacker to elevate privileges on the system.
Understanding CVE-2021-34493
This section will cover what CVE-2021-34493 is, the impact it poses, technical details, and mitigation strategies.
What is CVE-2021-34493?
CVE-2021-34493 is an elevation of privilege vulnerability that exists in the Windows Partition Management Driver. Attackers can exploit this vulnerability to gain elevated privileges on the targeted system.
The Impact of CVE-2021-34493
The impact of this vulnerability is rated as MEDIUM. It has a CVSS base score of 6.7, indicating a significant security risk. Successful exploitation could lead to unauthorized access and control over the affected system.
Technical Details of CVE-2021-34493
This section will delve into the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability lies in the Windows Partition Management Driver, allowing attackers to execute arbitrary code with elevated privileges.
Affected Systems and Versions
Multiple versions of Windows 10 and Windows Server are impacted, including Windows 10 Version 1809, Windows Server 2019, Windows 10 Version 1909, and others.
Exploitation Mechanism
Attackers can exploit this vulnerability by running a specially crafted application to execute malicious code and elevate privileges on the target system.
Mitigation and Prevention
To address CVE-2021-34493, users must take immediate steps, establish long-term security practices, and ensure timely patching and updates.
Immediate Steps to Take
Users are advised to apply the latest security updates provided by Microsoft to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing security best practices such as least privilege access, network segmentation, and regular security audits can help prevent similar vulnerabilities.
Patching and Updates
Regularly check for and apply security patches released by Microsoft to address known vulnerabilities and enhance the security posture of the system.