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High severity8.1NVD Advisory· Published Jul 14, 2021· Updated Aug 10, 2026

CVE-2021-34520

CVE-2021-34520

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4

Microsoft/Sharepoint Foundation
cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*
Microsoft/Sharepoint Server3 versions
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*+ 2 more
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
- (no CPE)

Patches

Vulnerability mechanics

References

3

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34520nvdPatchVendor Advisory
www.zerodayinitiative.com/advisories/ZDI-21-828/nvdThird Party AdvisoryVDB Entry
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34520nvd

News mentions

0

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