CVE-2023-21803
vulnerability analysis and mitigation

Overview

Windows iSCSI Discovery Service Remote Code Execution Vulnerability (CVE-2023-21803) was disclosed on February 14, 2023. This vulnerability affects various versions of Microsoft Windows operating systems, including Windows 10 and Windows Server 2008 (NVD).

Technical details

The vulnerability has been assigned a Critical severity rating with a CVSS v3.1 base score of 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Microsoft has identified this as an Integer Overflow or Wraparound vulnerability (CWE-190) (NVD).

Impact

This vulnerability allows for remote code execution with high potential impact on confidentiality, integrity, and availability of affected systems. The critical CVSS score of 9.8 indicates severe potential consequences if successfully exploited (Rapid7).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. Multiple patches are available including KB5022834, KB5022838, KB5022840, and KB5022858 for different versions of affected Windows systems (Rapid7).

Additional resources


SourceThis report was generated using AI

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