CVE-2020-0933: Microsoft SharePoint Server Information Disclosure Vulnerability

Overview

Severity

N/A

Category

Information Disclosure

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2020-Apr

Released

2020-04-14

Last Updated

2020-04-22

EPSS Score

0.92% (percentile: 76.0%)

Description

An information disclosure vulnerability exists in SharePoint Server. An attacker who exploited this vulnerability could read arbitrary files on the server. To exploit the vulnerability, an attacker would need to send a specially crafted request to a susceptible SharePoint Server instance. The update addresses the vulnerability by changing how affected APIs process requests.

FAQ

Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector.

Affected Products (3)

Microsoft Office

• Microsoft SharePoint Enterprise Server 2016
• Microsoft SharePoint Server 2019
• Microsoft SharePoint Foundation 2013 Service Pack 1

Security Updates (3)

• 4484299
• 4484292
• 4484321

Acknowledgments

Lee Thao from Viettel Cyber Security

Revision History

• 2020-04-14: Information published.
• 2020-04-22: Updated CVE description. This is an informational change only.