CVE-2024-21447 is classified as a high-severity vulnerability impacting various Microsoft Windows products, including Windows 10 and Windows 11 versions. This vulnerability allows for privilege escalation, enabling unauthorized users to gain elevated access to the system, potentially leading to data breaches and manipulation.
With a CVSS score of 7.8, the severity of this vulnerability is significant, indicating a high risk to organizations that utilize affected systems. The exploitability of this vulnerability is classified as high, emphasizing the urgency for organizations to address it. Risk to organizations includes the potential for unauthorized access to sensitive information, making it critical to implement remediation strategies promptly.
The vulnerability was published on April 9, 2024, and has been analyzed thoroughly. Organizations should assess their systems for the affected versions to ensure their defenses are adequately fortified against potential exploitation. Urgency for defenders is high, as the implications of exploitation could lead to severe operational impacts.
In summary, organizations should prioritize patching immediately to mitigate this vulnerability and protect their systems from potential attacks. The ongoing development and adaptation of threat landscapes necessitate vigilance and proactive measures in cybersecurity.
Vulnerability Details
The Windows Authentication Elevation of Privilege Vulnerability (CVE-2024-21447) allows attackers to escalate privileges on affected systems, leading to unauthorized access. The CVSS score of 7.8 indicates a high level of severity, with potential impacts on confidentiality, integrity, and availability. The vulnerability affects several versions of Windows, including Windows 10 (21H2, 22H2) and Windows 11 (21H2, 22H2, 23H2), as well as Windows Server 2022.
The vulnerability was categorized under CWE-59, indicating a potential issue with improper handling of file paths or input. Organizations should review their systems for the specified CPEs to ensure they have applied the necessary updates and patches.
Technical Analysis
The root cause of CVE-2024-21447 stems from improper validation within the Windows authentication process, allowing for local privilege escalation. The attack vector is classified as local, meaning the attacker must have physical or local access to the system. The attack complexity is low, with low privileges required for exploitation and no user interaction necessary.
The confidentiality impact is high, as unauthorized access could compromise sensitive data. Similarly, the integrity and availability impacts are also high, as attackers could manipulate or disrupt operations within the affected systems.
Risk & Impact Analysis
Real-world deployment risk associated with CVE-2024-21447 is significant. Organizations using the affected Windows versions are at high risk of exploitation, which could lead to unauthorized access, data breaches, and operational disruptions. The blast radius potential is extensive, affecting any organization utilizing vulnerable Windows products.
Urgency assessment based on the CVSS score and the fact that this vulnerability is not included in the KEV catalog indicates that organizations should address this issue in their priority patch cycle. The high EPS score suggests a strong likelihood of exploitation in the wild, necessitating immediate action.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The following versions of Microsoft Windows are affected by CVE-2024-21447: Windows 10 (21H2, 22H2), Windows 11 (21H2, 22H2, 23H2), and Windows Server 2022. All versions prior to vendor patch are considered vulnerable.
Mitigation & Remediation
Organizations must apply patches provided by Microsoft to remediate this vulnerability. Specific updates addressing this issue should be implemented immediately to protect systems from potential exploitation. For further guidance on effective remediation strategies, organizations may refer to penetration testing services that can help identify and address potential vulnerabilities.
Detection Guidance
Organizations should monitor logs for any indicators of exploitation attempts related to this vulnerability. Behavioral anomalies in access patterns and system configurations should also be investigated. Additionally, network signatures may help detect unauthorized access attempts.
AppSecure Threat Intelligence Insight
CVE-2024-21447 highlights the ongoing challenges in securing Windows environments. It represents a trend of increasing privilege escalation vulnerabilities in widely used systems, underscoring the importance of regular updates and proactive security measures. For more insights on secure practices, organizations may refer to penetration testing methodology, vulnerability management program design, and security testing best practices to mitigate similar risks.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)