CVE-2021-24103 : Security Advisory and Response
Learn about CVE-2021-24103, a high-severity Elevation of Privilege vulnerability affecting multiple Microsoft Windows versions. Understand the impact, affected systems, and mitigation strategies.
Windows Event Tracing Elevation of Privilege Vulnerability was published by Microsoft on February 9, 2021. It impacts various Microsoft Windows versions. The CVE identifier for this vulnerability is CVE-2021-24103.
Understanding CVE-2021-24103
This section delves into the details of the Windows Event Tracing Elevation of Privilege Vulnerability.
What is CVE-2021-24103?
CVE-2021-24103 is an Elevation of Privilege vulnerability that affects multiple Windows versions, allowing threat actors to gain elevated privileges on compromised systems.
The Impact of CVE-2021-24103
The impact of this vulnerability is rated as HIGH by CVSS with a base score of 7.8. It poses a significant risk to affected systems due to its potential for privilege escalation.
Technical Details of CVE-2021-24103
This section provides a detailed overview of the technical aspects of CVE-2021-24103.
Vulnerability Description
The vulnerability enables attackers to escalate their privileges on Windows systems, potentially leading to unauthorized access and control.
Affected Systems and Versions
Numerous Microsoft Windows versions are affected, including Windows 7, Windows 10, Windows Server, and more. Each version has specific platforms and configurations susceptible to this vulnerability.
Exploitation Mechanism
Threat actors can exploit this vulnerability by leveraging specific weaknesses within the Windows Event Tracing system, allowing them to execute malicious actions with elevated privileges.
Mitigation and Prevention
In this section, we outline the essential steps to mitigate and prevent exploitation of CVE-2021-24103.
Immediate Steps to Take
Users and administrators are advised to apply security patches provided by Microsoft promptly. Additionally, implementing least privilege policies can restrict unauthorized access.
Long-Term Security Practices
Establishing robust security protocols, monitoring system changes actively, and conducting regular security assessments are crucial for long-term protection against such vulnerabilities.
Patching and Updates
Regularly updating systems with the latest security patches and fixes from Microsoft is essential to address known vulnerabilities and enhance system security.