.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly handling web requests, aka ".NET CORE Denial Of Service Vulnerability".

Affected Packages

NuGet Microsoft.AspNetCore.Server.WebListener

Affected versions: 1.0.0 (fixed in 1.0.6)

NuGet Microsoft.AspNetCore.Server.WebListener

Affected versions: 1.1.0 (fixed in 1.1.4)

NuGet Microsoft.Net.Http.Server

Affected versions: 1.0.0 (fixed in 1.0.6)

NuGet Microsoft.Net.Http.Server

Affected versions: 1.1.0 (fixed in 1.1.4)

NuGet Microsoft.AspNetCore.Server.HttpSys

Affected versions: 2.0.0 (fixed in 2.0.2)

Related CVEs

CVE-2017-11883

Key Information

GHSA ID

GHSA-f9jc-rrm2-pmfg

Published

May 13, 2022 1:42 AM

Last Modified

July 8, 2022 7:22 PM

CVSS Score

7.5 /10

Primary Ecosystem

NuGet

Primary Package

Microsoft.AspNetCore.Server.WebListener

GitHub Reviewed

✓ Yes

Dataset

Last updated: June 17, 2025 6:25 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.