CVE-2021-42320 — Authentication Bypass by Spoofing in Microsoft Sharepoint Enterprise Server 2016

CWE-290 — Authentication Bypass by Spoofing4 documents4 sources
Severity
5.7MEDIUMNVD
CNA8.0
EPSS
0.6%
top 30.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Microsoft Sharepoint Enterprise Server 2016Microsoft Sharepoint Server 2019Microsoft Sharepoint Server Subscription Edition+2 more
Timeline
PublishedDec 15
Latest updateFeb 11

Description

Microsoft SharePoint Server Spoofing Vulnerability

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:NExploitability: 2.1 | Impact: 3.6

Affected Packages5 packages

▶CVEListV5microsoft/microsoft_sharepoint_server_201916.0.0 — 16.0.10381.20001
▶CVEListV5microsoft/microsoft_sharepoint_enterprise_server_201616.0.0 — 16.0.5254.1000
▶CVEListV5microsoft/microsoft_sharepoint_server_subscription_edition16.0.0 — 16.0.14326.20620

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-7f8g-xqpj-293g: Microsoft SharePoint Server Spoofing Vulnerability This CVE ID is unique from CVE-2021-43242↗2022-02-11
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CVEList
Microsoft SharePoint Server Spoofing Vulnerability↗2021-12-15
▶

📋Vendor Advisories

1
Microsoft
Microsoft SharePoint Server Spoofing Vulnerability↗2021-12-14
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CVE-2021-42320 — Authentication Bypass by Spoofing | cvebase