title: Microsoft SharePoint Server Tampering Vulnerability
description: <p>A tampering vulnerability exists when Microsoft SharePoint Server fails to properly handle profile data. An attacker who successfully exploited this vulnerability could modify a targeted user's profile data.</p>
<p>To exploit the vulnerability, an attacker would need to be authenticated on an affected SharePoint Server. The attacker would then need to send a specially modified request to the server, targeting a specific user.</p>
<p>The security update addresses the vulnerability by modifying how Microsoft SharePoint Server handles profile data.</p>
problem types: Tampering
affected:
{
vendor: Microsoft
product: Microsoft SharePoint Server 2019
cpes: cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
platforms: x64-based Systems
versions:
version: 16.0.0, lessThan: publication, versionType: custom, status: affected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
baseSeverity: HIGH
baseScore: 8.9
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L/E:P/RL:O/RC:C
]