CVE-2021-42320

—

CVSS 3.1

5.7 medium

EPSS

2%p73

Published

Dec 15, 2021 (Dec 15, 2021)

Modified

Jun 17, 2026

Description

Microsoft SharePoint Server Spoofing Vulnerability

Vendors: microsoft
Products: sharepoint enterprise server, sharepoint server
Weakness: CWE-290
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.5%)

In the news1 stories

Microsoft December 2021 Patch Tuesday fixes an actively exploited zero

Security AffairsDec 15, 15:08 UTC · Dec 15, 2021Vulnerability in the wildCVE-2021-43890 CVE-2021-43240 CVE-2021-41333+54 CVEs

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