Home/CVE/Microsoft SharePoint Server Spoofing Vulnerability
CVE

CVE-2021-42320

Microsoft SharePoint Server Spoofing Vulnerability

Microsoft SharePoint Server Spoofing Vulnerability.

HIGH · CVSS 8 EPSS 0.00795
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-290Authentication Bypass by Spoofing
▤

Affected Products & Versions

2
microsoft sharepoint enterprise serverall versions
microsoft sharepoint serverall versions
▣

Scoring & Timeline

8
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Dec 2021 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
msrcCVE-2021-42320Spoofing
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42320PatchVendor Advisory
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