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CVE-2020-1025

CRITICAL
9.8
CVSS Severity Score
EPSS Score0.1880%
EPSS Percentile18.82th
Published2020年7月14日
Last Modified2026年2月23日

Vulnerability Description

An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access. To exploit this vulnerability, an attacker would need to modify the token. The update addresses the vulnerability by modifying how Microsoft SharePoint Server and Skype for Business Server validate tokens.

Affected Platforms (CPE)

📦
Microsoft

Lync

= 2013
📦
Microsoft

Sharepoint Enterprise Server

= 2016
📦
Microsoft

Sharepoint Foundation

= 2013
📦
Microsoft

Sharepoint Server

= 2019
📦
Microsoft

Skype For Business

= 2015
📦
Microsoft

Skype For Business

= 2019

References & Advisories

関連する脆弱性情報