CVE-2020-1523 HIGH

CVE-2020-1523: Microsoft SharePoint Server Tampering Vulnerability

Vendor Microsoft
Product Microsoft SharePoint Server 2019
Published September 11, 2020
Last update November 18, 2024

CVSS base score

8.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

<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>

Key dates

02Disclosure timeline

September 11, 2020 CVE published
November 18, 2024 Record updated