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Vulnerability DatabaseCVE-2023-21527
CVE-2023-21527:
vulnerability analysis and mitigation
Overview
Windows iSCSI Service Denial of Service Vulnerability (CVE-2023-21527) was disclosed on January 10, 2023. This vulnerability affects multiple versions of Microsoft Windows, including Windows 10, Windows 11, and various Windows Server editions (Rapid7).
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) (Rapid7).
Impact
Successful exploitation of this vulnerability could result in a denial of service condition affecting the Windows iSCSI Service, potentially disrupting system availability (MITRE CVE).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through various KB updates including KB5022282, KB5022286, KB5022287, KB5022289, KB5022291, KB5022297, KB5022303, KB5022343, and KB5022346 for different versions of Windows (Qualys).
Additional resources
Source: This report was generated using AI
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