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Vulnerability DatabaseCVE-2023-21679

CVE-2023-21679: 
vulnerability analysis and mitigation

Overview

Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability (CVE-2023-21679) was disclosed on January 10, 2023. This vulnerability affects multiple versions of Microsoft Windows operating systems, including Windows 10, Windows 11, and various Windows Server editions (Rapid7).

Technical details

The vulnerability has been assigned a CVSS score of 9.0, indicating a critical severity level. It is associated with CWE-362 and affects the Layer 2 Tunneling Protocol implementation in Windows systems. The vulnerability requires network access and moderate complexity for exploitation (Rapid7, NVD).

Impact

If successfully exploited, this vulnerability could allow an attacker to execute remote code on the affected systems, potentially gaining complete control over the targeted system with the ability to compromise the confidentiality, integrity, and availability of the system (Rapid7).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability across multiple affected versions. The fixes are available through various KB updates including KB5022282, KB5022286, KB5022287, KB5022289, KB5022291, KB5022297, KB5022303, KB5022343, and KB5022346 (Rapid7).

Additional resources

Source: This report was generated using AI

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