CVE-2021-36940 : Microsoft SharePoint Server Spoofing Vulnerability

Microsoft SharePoint Server Spoofing Vulnerability

Published 2021-08-12 18:15:10

Updated 2023-12-28 20:15:53

View at NVD, CVE.org

Products affected by CVE-2021-36940

Microsoft » Sharepoint Server » Version: 2019
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Matching versions
Microsoft » Sharepoint Enterprise Server » Version: 2016
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
Matching versions
Microsoft » Sharepoint Enterprise Server » Version: 2013 Update SP1
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.78%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 71 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:P/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None
7.6	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N	2.3	4.7	Microsoft Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: High Integrity: Low Availability: None

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36940

CVE-2021-36940 - Security Update Guide - Microsoft - Microsoft SharePoint Server Spoofing Vulnerability
Patch;Vendor Advisory

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