CVE-2020-1177: XSS

Published Jun 9, 2020

Updated

A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2020-1183, CVE-2020-1297, CVE-2020-1298, CVE-2020-1318, CVE-2020-1320.

Affected Software

3 affected components

Microsoft SharePoint Enterprise Server=2016

Microsoft SharePoint Foundation=2013-sp1

Microsoft SharePoint Server=2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1177

Event History

Jun 9, 2020

CVE Published

via MITRE·07:43 PM

Data Sourced

via MITRE·07:43 PM

DescriptionWeakness

Data Sourced

via NVD·08:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2020-1177?

CVE-2020-1177 has a severity rating of Important according to Microsoft guidelines.

How do I fix CVE-2020-1177?

To fix CVE-2020-1177, apply the security updates released by Microsoft for the affected versions of SharePoint.

Which versions of SharePoint are affected by CVE-2020-1177?

CVE-2020-1177 affects Microsoft SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, and SharePoint Server 2019.

What type of vulnerability is CVE-2020-1177?

CVE-2020-1177 is a cross-site scripting (XSS) vulnerability in Microsoft SharePoint.

What can attackers achieve through CVE-2020-1177?

Attackers can exploit CVE-2020-1177 to execute arbitrary scripts in the context of the user's browser session.