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HIGH

Microsoft SharePoint Server Remote Code Execution Vulnerability

Published May 21, 2020

Description

A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process. To exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server. The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.

Affected products

Remediation

No remediation recorded yet.

Metrics

References (3)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published May 21, 2020
Updated Aug 19, 2026
Reserved Nov 4, 2019
NVD
Status Modified
Modified Aug 19, 2026
Red Hat
Severity n/a
Public date n/a