CVE-2021-31965
vulnerability analysis and mitigation

Overview

Microsoft SharePoint Server Information Disclosure Vulnerability (CVE-2021-31965) was identified and disclosed on April 30, 2021, with Microsoft publishing security updates on June 8, 2021. This vulnerability affects Microsoft SharePoint Server installations (CVE Mitre).

Technical details

The vulnerability has been assigned a CVSS score of 4.0 (AV:N/AC:L/Au:S/C:P/I:N/A:N), indicating a relatively moderate severity level. This scoring suggests the vulnerability requires network access and single authentication for exploitation, with potential partial confidentiality impact (Rapid7).

Impact

The vulnerability could lead to unauthorized information disclosure in Microsoft SharePoint Server environments (CVE Mitre).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability through multiple Knowledge Base (KB) articles including KB5001944 for SharePoint 2019 and KB5001946 for SharePoint 2016 (Rapid7).

Additional resources


SourceThis report was generated using AI

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