What is CVE-2021-34520?

CVE-2021-34520 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-2021-34520 cover?

CVE-2021-34520 covers the following CVE IDs: CVE-2021-34520. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-34520?

CVE-2021-34520 has a CVSS v3 base score of 8.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-34520?

CVE-2021-34520 affects 3 products, including: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019.

CVE-2021-34520HighCVSS 8.1

Microsoft SharePoint Server Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 13, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-34520 →

🎯 Affected products3

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

✅ Remediation

KB5001976 (Security Update) — fixed build 16.0.5188.1000 KB5001975 (Security Update) — fixed build 16.0.10376.20001 KB5001992 (Security Update) — fixed build 15.0.5363.1000

🔗 References (10)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34520
patchhttps://www.microsoft.com/download/details.aspx?familyid=1ba6f08d-2275-4acd-96bd-c7334ce29e3f
referencehttps://support.microsoft.com/kb/5001976
referencehttps://support.microsoft.com/help/5001976
patchhttps://www.microsoft.com/download/details.aspx?familyid=5fcd24e6-d6a0-457d-b178-35028cb34573
referencehttps://support.microsoft.com/kb/5001975
referencehttps://support.microsoft.com/help/5001975
patchhttps://www.microsoft.com/download/details.aspx?familyid=0f7b1092-d203-481b-b22e-b26aa369534e
referencehttps://support.microsoft.com/kb/5001992
referencehttps://support.microsoft.com/help/5001992