CVE-2021-36949 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-36949 affecting Microsoft Azure Active Directory Connect and Azure Active Directory Connect Provisioning Agent versions. Learn about the high severity vulnerability and how to mitigate the risk.
Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability was disclosed on August 10, 2021. The vulnerability affects Microsoft Azure Active Directory Connect and Azure Active Directory Connect Provisioning Agent, compromising versions 1.X.Y.Z, 2.0.X.Y (respectively less than 1.6.11.3 and 2.0.8.0).
Understanding CVE-2021-36949
This section will delve into what CVE-2021-36949 entails, its impact, technical details, and mitigation strategies.
What is CVE-2021-36949?
This vulnerability in Microsoft Azure Active Directory Connect allows an attacker to bypass authentication, potentially leading to an elevation of privilege.
The Impact of CVE-2021-36949
The impact of this vulnerability is rated as HIGH with a CVSS base score of 7.1. Successful exploitation can result in unauthorized access, compromising confidentiality, integrity, and availability of the system.
Technical Details of CVE-2021-36949
This section will cover the specifics of the vulnerability, affected systems, and how it can be exploited.
Vulnerability Description
The vulnerability enables an elevation of privilege, allowing unauthorized users to bypass authentication controls.
Affected Systems and Versions
Microsoft Azure Active Directory Connect versions 1.X.Y.Z, 2.0.X.Y are affected, with versions less than 1.6.11.3 and 2.0.8.0 respectively.
Exploitation Mechanism
Attackers can exploit this vulnerability to bypass authentication mechanisms and gain unauthorized access to the system, potentially leading to further compromise.
Mitigation and Prevention
This section outlines steps to mitigate the risk posed by CVE-2021-36949 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update Microsoft Azure Active Directory Connect to the latest secure versions and implement additional security controls to restrict unauthorized access.
Long-Term Security Practices
Establishing a strong access control policy, monitoring system logs for suspicious activities, and conducting regular security assessments are recommended for long-term security.
Patching and Updates
Regularly applying security patches released by Microsoft is crucial to address known vulnerabilities and enhance the overall security posture of the system.