What is CVE-2021-28474?

CVE-2021-28474 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft SharePoint Server Remote Code Execution Vulnerability

Which CVE IDs does CVE-2021-28474 cover?

CVE-2021-28474 covers the following CVE IDs: CVE-2021-28474. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-28474?

CVE-2021-28474 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-28474?

CVE-2021-28474 affects 3 products, including: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019.

CVE-2021-28474HighCVSS 8.8

Microsoft SharePoint Server Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 11, 2021

Last Modified

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🔗 CVE IDs covered (1)

CVE-2021-28474 →

📋 Description

How could an attacker exploit this vulnerability? In a network-based attack, an authenticated attacker can gain access to create a site and could execute code remotely within the SharePoint Server.

🎯 Affected products3

Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft SharePoint Server 2019

✅ Remediation

KB5001917 (Security Update) — fixed build 16.0.5161.1000 KB5001916 (Security Update) — fixed build 16.0.10374.20000 KB5001935 (Security Update) — fixed build 15.0.5345.1000

🔗 References (4)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28474
patchhttps://www.microsoft.com/download/details.aspx?familyid=650bb002-b472-4d9b-b36e-d960150b2ab7
patchhttps://www.microsoft.com/download/details.aspx?familyid=0036da36-a42a-47e3-855d-9485daf73539
patchhttps://www.microsoft.com/download/details.aspx?familyid=6830da9c-09be-44a0-a565-03638b030d89