CVE-2021-3576 Explained : Impact and Mitigation
Learn about the privilege escalation vulnerability CVE-2021-3576 in Bitdefender Endpoint Security Tools and Total Security. Find out its impact, affected systems, and mitigation steps.
A detailed analysis of the privilege escalation vulnerability via SeImpersonatePrivilege in Bitdefender Endpoint Security Tools and Total Security.
Understanding CVE-2021-3576
This article outlines the impact, technical details, mitigation, and prevention strategies for the CVE-2021-3576 vulnerability affecting Bitdefender products.
What is CVE-2021-3576?
The CVE-2021-3576 vulnerability deals with the execution of unnecessary privileges in Bitdefender Endpoint Security Tools and Total Security, allowing a local attacker to elevate to 'NT AUTHORITY\System'.
The Impact of CVE-2021-3576
The vulnerability presents a high severity impact with low attack complexity, high availability, confidentiality, and integrity impact, and low privileges required.
Technical Details of CVE-2021-3576
The following section delves into vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The flaw enables a local attacker to attain escalated privileges and impersonate the System account, operating within the client's security context.
Affected Systems and Versions
Bitdefender Endpoint Security Tools versions prior to 7.2.1.65 and Total Security versions prior to 25.0.26 are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited locally, requiring low privileges but potentially resulting in significant security breaches.
Mitigation and Prevention
This section outlines immediate steps to take, long-term security practices, and the significance of patching and updates.
Immediate Steps to Take
Users are advised to apply the automatic update to Bitdefender Endpoint Security Tools version 7.2.1.65 and Bitdefender Total Security version 25.0.26 to mitigate the vulnerability.
Long-Term Security Practices
In addition to immediate updates, implementing secure coding practices, regular security audits, and user training can enhance overall cybersecurity.
Patching and Updates
Regularly checking for and applying security patches and updates from Bitdefender is crucial to ensure system resilience against emerging threats.