What is CVE-2021-40487?

CVE-2021-40487 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-2021-40487 cover?

CVE-2021-40487 covers the following CVE IDs: CVE-2021-40487. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-40487?

CVE-2021-40487 has a CVSS v3 base score of 8.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-40487?

CVE-2021-40487 affects 3 products, including: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019.

CVE-2021-40487HighCVSS 8.1

Microsoft SharePoint Server Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 12, 2021

Last Modified

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🔗 CVE IDs covered (1)

CVE-2021-40487 →

📋 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

KB5002029 (Security Update) — fixed build 16.0.5227.1000 KB5002028 (Security Update) — fixed build 16.0.10379.20000 KB5002042 (Security Update) — fixed build 15.0.5389.1000

🔗 References (4)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40487
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=dc08d7a5-c213-4842-8824-e43876d474a1
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=48b05306-b1ff-468c-8b77-1d477549f14c
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=6b6c0519-83e6-451c-a793-084d12a7eb54