What is CVE-2021-43876?

CVE-2021-43876 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft SharePoint Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2021-43876 cover?

CVE-2021-43876 covers the following CVE IDs: CVE-2021-43876. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-43876?

CVE-2021-43876 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-43876?

CVE-2021-43876 affects 3 products, including: Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019.

CVE-2021-43876HighCVSS 8.8

Microsoft SharePoint Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

December 14, 2021

Last Modified

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🔗 CVE IDs covered (1)

CVE-2021-43876 →

📋 Description

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? The attacker must be authenticated to the target site, with the rights to use the SharePoint Migration tool and the ability to create a new SharePoint site collection.

🎯 Affected products3

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

✅ Remediation

KB5002055 (Security Update) — fixed build 16.0.5254.1000 KB5002008 (Security Update) — fixed build 15.0.5407.1000 KB5002054 (Security Update) — fixed build 16.0.10381.20001

🔗 References (4)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43876
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=2b507dbf-c420-47ed-b73b-730eb4e8e89a
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=d0a4e96a-08a3-4193-b4cd-fae097f43581
patchhttps://www.microsoft.com/downloads/details.aspx?familyid=b370a437-4452-46ed-933d-612d0a10bfc0