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Vulnerability DatabaseCVE-2024-21318

CVE-2024-21318: 
vulnerability analysis and mitigation

Overview

Microsoft SharePoint Server Remote Code Execution Vulnerability (CVE-2024-21318) was disclosed on January 9, 2024. This vulnerability affects multiple versions of Microsoft SharePoint Server, including SharePoint Server 2016 Enterprise, SharePoint Server 2019, and SharePoint Server Subscription Edition (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is classified under CWE-502 (Deserialization of Untrusted Data) (NVD).

Impact

This vulnerability could allow an attacker to execute remote code on affected SharePoint Server installations, potentially compromising the confidentiality, integrity, and availability of the system. The high CVSS score indicates severe potential consequences if successfully exploited (Rapid7).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. The patches are available through Microsoft Update and can be obtained via KB5002541 for SharePoint Enterprise Server 2016, KB5002539 for SharePoint Server 2019, and KB5002540 for SharePoint Server Subscription Edition (Microsoft Support).

Additional resources

Source: This report was generated using AI

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