Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-21728
CVE-2023-21728:
vulnerability analysis and mitigation
Overview
Windows Netlogon Denial of Service Vulnerability (CVE-2023-21728) was disclosed on January 10, 2023. This vulnerability affects multiple versions of Microsoft Windows operating systems, including Windows 10, Windows 11, Windows Server 2008, 2012, 2016, 2019, and 2022 (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 Base Score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Microsoft has classified this as CWE-400 (Uncontrolled Resource Consumption) (NVD).
Impact
This vulnerability can lead to a denial of service condition in Windows Netlogon service, potentially affecting system availability. The attack vector is network-accessible, requires low attack complexity, and needs no privileges or user interaction to exploit (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. Multiple KB updates are available for affected systems 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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