Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2024-43642
CVE-2024-43642:
vulnerability analysis and mitigation
Overview
A Windows SMB Denial of Service Vulnerability, identified as CVE-2024-43642, was discovered and disclosed in August 2024. The vulnerability affects multiple versions of Microsoft Windows systems including Windows 11 (22H2, 23H2, 24H2) and Windows Server (2022, 2025) operating systems (CVE List, NVD).
Technical details
The vulnerability has been assigned a CVSS score of 8.0, indicating a high severity level. The attack vector is network-based (AV:N), with low attack complexity (AC:L), requiring no authentication (Au:N), and primarily impacts system availability (A:C) without affecting confidentiality or integrity (Rapid7).
Impact
The primary impact of this vulnerability is the potential for denial of service attacks against affected Windows systems, specifically targeting the SMB (Server Message Block) service. This could result in system unavailability or service disruption (CVE List).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability through various KB patches including KB5046633 for Windows 11, KB5046616 for Windows Server 2022, KB5046617 for Windows 11 24H2 and Windows Server 2025, KB5046618 for Windows Server 2022 23H2, and KB5046696 for Windows Server 2025 (Rapid7).
Additional resources
Source: This report was generated using AI
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