CVE-2020-1597: ASP.NET Core Denial of Service Vulnerability

Overview

Severity

N/A

Category

Denial of Service

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Publicly Disclosed

Yes

Patch Tuesday

2020-Aug

Released

2020-08-11

Last Updated

2020-08-12

EPSS Score

7.56% (percentile: 91.8%)

Description

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against an ASP.NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application. The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.

Affected Products (6)

Developer Tools

• ASP.NET Core 2.1
• ASP.NET Core 3.1
• Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
• Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
• Microsoft Visual Studio 2019 version 16.0
• Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)

Security Updates (6)

• Release Notes
• Release Notes
• Release Notes
• Release Notes
• Release Notes
• Release Notes

Acknowledgments

Microsoft Corporation, Microsoft Corporation

Revision History

• 2020-08-11: Information published.
• 2020-08-12: Updated the Publicly Disclosed information.