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

Published Aug 17, 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, aka ASP.NET Core Denial of Service Vulnerability.

GitHub

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.

NVD

Affected Software

19 affected componentsFixes available
nuget/Microsoft.AspNetCore.App.Runtime.win-x86>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.win-x64>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.win-arm64>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.win-arm>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.osx-x64>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.linux-x64>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.App.Runtime.linux-arm>=3.1.0<3.1.7
3.1.7
nuget/Microsoft.AspNetCore.All>=2.1.0<2.1.21
2.1.21
nuget/Microsoft.AspNetCore.App>=2.1.0<2.1.21
2.1.21
Microsoft ASP.NET Core=2.1
Microsoft ASP.NET Core=3.1
Microsoft Visual Studio 2017>=15.0<=15.8
Microsoft Visual Studio 2019>=16.0<=16.3
Microsoft Visual Studio 2019>=16.5<=16.6
Fedoraproject Fedora=32
Fedoraproject Fedora=33

Event History

Aug 17, 2020
CVE Published
via MITRE·07:13 PM
Data Sourced
via MITRE·07:13 PM
Description
Data Sourced
via NVD·07:15 PM
RemedyDescriptionSeverityAffected Software
May 24, 2022
Advisory Published
via GitHub·05:26 PM

Frequently Asked Questions

1

What is CVE-2020-1597?

CVE-2020-1597 is a denial of service vulnerability in ASP.NET Core.

2

How does CVE-2020-1597 affect Microsoft ASP.NET Core?

CVE-2020-1597 affects Microsoft ASP.NET Core versions 2.1 and 3.1.

3

How does CVE-2020-1597 affect Microsoft Visual Studio 2017 and 2019?

CVE-2020-1597 affects Microsoft Visual Studio 2017 (versions 15.0 to 15.8) and Microsoft Visual Studio 2019 (versions 16.0 to 16.6).

4

How does CVE-2020-1597 affect Fedora?

CVE-2020-1597 affects Fedora versions 32 and 33.

5

What is the severity of CVE-2020-1597?

CVE-2020-1597 has a severity rating of 7.5 (high).

6

Where can I find more information about CVE-2020-1597?

You can find more information about CVE-2020-1597 on the following links: [Link 1](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/), [Link 2](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/), [Link 3](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1597).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203