CVE-2020-1161: ASP.NET Core Denial of Service Vulnerability

Published May 12, 2020
·
Updated

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

Other sources

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.

Microsoft

Affected Software

8 affected components
Microsoft ASP.NET Core=3.1
Microsoft Visual Studio 2017>=15.1<=15.9
Microsoft Visual Studio 2019>=16.0<=16.5
Microsoft Visual Studio 2019=16.0
Microsoft Visual Studio 2019 (includes 16.0 - 16.3)=16.4
Microsoft ASP.NET Core=3.1
Microsoft Visual Studio 2019=16.5
Microsoft Visual Studio 2017 (includes 15.0 - 15.8)=15.9

Event History

May 12, 2020
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
May 21, 2020
CVE Published
via MITRE·10:53 PM
Data Sourced
via MITRE·10:53 PM
Description
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2020-1161?

The severity of CVE-2020-1161 is high.

2

How does CVE-2020-1161 affect ASP.NET Core?

CVE-2020-1161 affects ASP.NET Core 3.1.

3

Which versions of Microsoft Visual Studio are affected by CVE-2020-1161?

CVE-2020-1161 affects Microsoft Visual Studio 2017 (version 15.1 to 15.9) and Microsoft Visual Studio 2019 (version 16.0 to 16.5).

4

What is the official reference for CVE-2020-1161?

The official reference for CVE-2020-1161 can be found at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1161.

5

How do I fix CVE-2020-1161?

To fix CVE-2020-1161, update ASP.NET Core to the latest version and apply any patches or security updates provided by Microsoft.

Contact

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