Vulnerabilities in pkg:nuget/Microsoft.NETCore.App.Host.linux-musl-arm64

PACKAGE
Advisory Identifier: GHSA-3gp9-h8hw-pxpw
Advisory Summary

CVE-2021-1721 is a MODERATE (CVSS 6.5) denial of service vulnerability (General Security Weakness) affecting Microsoft.NETCore.App libraries in the NuGet ecosystem. The issue involves denial of service in .net core. Remediation is available by upgrading affected packages to version 2.1.25, 3.1.12, 5.0.3.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:nuget/Microsoft.NETCore.App.Host.linux-musl-arm64

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:nuget/Microsoft.NETCore.App.Host.linux-musl-arm64. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-3gp9-h8hw-pxpw CVE-2021-1721 MODERATE Denial of service in .NET core

CVE-2021-1721 at a Glance

CVE Identifier CVE-2021-1721
GHSA Identifier GHSA-3gp9-h8hw-pxpw
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification General Security Weakness
Affected Product Microsoft.NETCore.App
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 6.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2021-1721

To remediate this vulnerability, upgrade all affected Microsoft.NETCore.App dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Microsoft.NETCore.App fixed: 2.1.25
Upgrade Microsoft.NETCore.App to 2.1.25
Microsoft.NETCore.App.Host.linux-arm fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.linux-arm to 3.1.12
Microsoft.NETCore.App.Host.linux-arm64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.linux-arm64 to 3.1.12
Microsoft.NETCore.App.Host.osx-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.osx-x64 to 3.1.12
Microsoft.NETCore.App.Host.linux-musl-arm64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.linux-musl-arm64 to 3.1.12
Microsoft.NETCore.App.Host.linux-musl-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.linux-musl-x64 to 3.1.12
Microsoft.NETCore.App.Host.linux-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.linux-x64 to 3.1.12
Microsoft.NETCore.App.Host.rhel.6-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.rhel.6-x64 to 3.1.12
Microsoft.NETCore.App.Host.win-arm fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.win-arm to 3.1.12
Microsoft.NETCore.App.Host.win-arm64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.win-arm64 to 3.1.12
Microsoft.NETCore.App.Host.win-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.win-x64 to 3.1.12
Microsoft.NETCore.App.Host.win-x86 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Host.win-x86 to 3.1.12
Microsoft.NETCore.App.Runtime.linux-arm fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.linux-arm to 3.1.12
Microsoft.NETCore.App.Runtime.linux-arm64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.linux-arm64 to 3.1.12
Microsoft.NETCore.App.Runtime.linux-musl-arm64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.linux-musl-arm64 to 3.1.12
Microsoft.NETCore.App.Runtime.linux-musl-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.linux-musl-x64 to 3.1.12
Microsoft.NETCore.App.Runtime.linux-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.linux-x64 to 3.1.12
Microsoft.NETCore.App.Runtime.osx-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.osx-x64 to 3.1.12
Microsoft.NETCore.App.Runtime.rhel.6-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.rhel.6-x64 to 3.1.12
Microsoft.NETCore.App.Runtime.win-arm fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.win-arm to 3.1.12
Microsoft.NETCore.App.Runtime.win-arm64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.win-arm64 to 3.1.12
Microsoft.NETCore.App.Runtime.win-x64 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.win-x64 to 3.1.12
Microsoft.NETCore.App.Runtime.win-x86 fixed: 3.1.12
Upgrade Microsoft.NETCore.App.Runtime.win-x86 to 3.1.12
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.linux-arm fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.linux-arm to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.linux-arm64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.linux-arm64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.linux-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.linux-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.Mono.osx-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.Mono.osx-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.android-arm fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.android-arm to 5.0.3
Microsoft.NETCore.App.Runtime.android-arm64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.android-arm64 to 5.0.3
Microsoft.NETCore.App.Runtime.android-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.android-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.android-x86 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.android-x86 to 5.0.3
Microsoft.NETCore.App.Runtime.browser-wasm fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.browser-wasm to 5.0.3
Microsoft.NETCore.App.Runtime.ios-arm fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.ios-arm to 5.0.3
Microsoft.NETCore.App.Runtime.ios-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.ios-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.ios-x86 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.ios-x86 to 5.0.3
Microsoft.NETCore.App.Runtime.linux-arm fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.linux-arm to 5.0.3
Microsoft.NETCore.App.Runtime.linux-arm64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.linux-arm64 to 5.0.3
Microsoft.NETCore.App.Runtime.linux-musl-arm fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.linux-musl-arm to 5.0.3
Microsoft.NETCore.App.Runtime.linux-musl-arm64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.linux-musl-arm64 to 5.0.3
Microsoft.NETCore.App.Runtime.linux-musl-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.linux-musl-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.linux-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.linux-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.osx-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.osx-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.tvos-arm64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.tvos-arm64 to 5.0.3
Microsoft.NETCore.App.Runtime.tvos-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.tvos-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.win-arm fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.win-arm to 5.0.3
Microsoft.NETCore.App.Runtime.win-arm64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.win-arm64 to 5.0.3
Microsoft.NETCore.App.Runtime.win-x64 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.win-x64 to 5.0.3
Microsoft.NETCore.App.Runtime.win-x86 fixed: 5.0.3
Upgrade Microsoft.NETCore.App.Runtime.win-x86 to 5.0.3
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

inspect dependencies for Microsoft.NETCore.App

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-1721, inspect your project dependencies for Microsoft.NETCore.App:

inspect dependencies for Microsoft.NETCore.App

Analyze the terminal output to locate any version of Microsoft.NETCore.App in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.1.25), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Microsoft.NETCore.App, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

.NET Core and Visual Studio Denial of Service Vulnerability due to a vulnerability which exists when creating HTTPS web request during X509 certificate chain building.

CVE-2021-1721 Affected Microsoft.NETCore.App Versions

55 component(s)
Fixed Versions:
2.1.253.1.125.0.3
Product / Package Ecosystem Affected Versions Fixed Version
Microsoft.NETCore.App
NuGet
≥ 2.1.0
< 2.1.25
2.1.25
Microsoft.NETCore.App.Host.linux-arm
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.linux-arm64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.osx-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.linux-musl-arm64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.linux-musl-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.linux-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.rhel.6-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.win-arm
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.win-arm64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.win-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Host.win-x86
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.linux-arm
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.linux-arm64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.linux-musl-arm64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.linux-musl-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.linux-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.osx-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.rhel.6-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.win-arm
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.win-arm64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.win-x64
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.win-x86
NuGet
≥ 3.1.0
< 3.1.12
3.1.12
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.linux-arm
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.linux-arm64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.linux-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.Mono.osx-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.android-arm
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.android-arm64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.android-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.android-x86
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.browser-wasm
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.ios-arm
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.ios-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.ios-x86
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.linux-arm
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.linux-arm64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.linux-musl-arm
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.linux-musl-arm64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.linux-musl-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.linux-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.osx-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.tvos-arm64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.tvos-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.win-arm
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.win-arm64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.win-x64
NuGet
≥ 5.0.0
< 5.0.3
5.0.3
Microsoft.NETCore.App.Runtime.win-x86
NuGet
≥ 5.0.0
< 5.0.3
5.0.3

References

Frequently Asked Questions

What is CVE-2021-1721?
CVE-2021-1721 is a security vulnerability in Microsoft.NETCore.App involving Denial of service in .NET core under General Security Weakness.
Which Microsoft.NETCore.App versions are affected?
Affected versions include releases prior to 2.1.25, 3.1.12, 5.0.3 across affected packages: Microsoft.NETCore.App, Microsoft.NETCore.App.Host.linux-arm, Microsoft.NETCore.App.Host.linux-arm64, Microsoft.NETCore.App.Host.osx-x64, Microsoft.NETCore.App.Host.linux-musl-arm64, Microsoft.NETCore.App.Host.linux-musl-x64, Microsoft.NETCore.App.Host.linux-x64, Microsoft.NETCore.App.Host.rhel.6-x64, Microsoft.NETCore.App.Host.win-arm, Microsoft.NETCore.App.Host.win-arm64, Microsoft.NETCore.App.Host.win-x64, Microsoft.NETCore.App.Host.win-x86, Microsoft.NETCore.App.Runtime.linux-arm, Microsoft.NETCore.App.Runtime.linux-arm64, Microsoft.NETCore.App.Runtime.linux-musl-arm64, Microsoft.NETCore.App.Runtime.linux-musl-x64, Microsoft.NETCore.App.Runtime.linux-x64, Microsoft.NETCore.App.Runtime.osx-x64, Microsoft.NETCore.App.Runtime.rhel.6-x64, Microsoft.NETCore.App.Runtime.win-arm, Microsoft.NETCore.App.Runtime.win-arm64, Microsoft.NETCore.App.Runtime.win-x64, Microsoft.NETCore.App.Runtime.win-x86, Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64, Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64, Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64, Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64, Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64, Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64, Microsoft.NETCore.App.Runtime.Mono.linux-arm, Microsoft.NETCore.App.Runtime.Mono.linux-arm64, Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64, Microsoft.NETCore.App.Runtime.Mono.linux-x64, Microsoft.NETCore.App.Runtime.Mono.osx-x64, Microsoft.NETCore.App.Runtime.android-arm, Microsoft.NETCore.App.Runtime.android-arm64, Microsoft.NETCore.App.Runtime.android-x64, Microsoft.NETCore.App.Runtime.android-x86, Microsoft.NETCore.App.Runtime.browser-wasm, Microsoft.NETCore.App.Runtime.ios-arm, Microsoft.NETCore.App.Runtime.ios-x64, Microsoft.NETCore.App.Runtime.ios-x86, Microsoft.NETCore.App.Runtime.linux-musl-arm, Microsoft.NETCore.App.Runtime.tvos-arm64, Microsoft.NETCore.App.Runtime.tvos-x64.
What version fixes CVE-2021-1721?
Upgrading to 2.1.25, 3.1.12, 5.0.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Microsoft.NETCore.App affected?
Yes, Microsoft.NETCore.App is affected in releases prior to 2.1.25. Upgrade your dependency to 2.1.25 or later.
Is Microsoft.NETCore.App.Host.linux-arm affected?
Yes, Microsoft.NETCore.App.Host.linux-arm is affected in releases prior to 3.1.12. Upgrade your dependency to 3.1.12 or later.
What is the CVSS score of CVE-2021-1721?
CVE-2021-1721 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2021-1721?
CVE-2021-1721 is classified under General Security Weakness.
How can I check NuGet dependencies for CVE-2021-1721?
Run the dependency tree command: 'inspect dependencies for Microsoft.NETCore.App'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-3gp9-h8hw-pxpw",
  "modified" : "2022-11-01T21:40:37Z",
  "published" : "2022-05-24T17:43:10Z",
  "aliases" : [ "CVE-2021-1721" ],
  "summary" : "Denial of service in .NET core",
  "details" : ".NET Core and Visual Studio Denial of Service Vulnerability due to a vulnerability which exists when creating HTTPS web request during X509 certificate chain building.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.NETCore.App"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.1.0"
      }, {
        "fixed" : "2.1.25"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.NETCore.App.Host.linux-arm"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.1.0"
      }, {
        "fixed" : "3.1.12"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.NETCore.App.Host.linux-arm64"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.1.0"
      }, {
        "fixed" : "3.1.12"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.NETCore.App.Host.linux-musl-arm64"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.1.0"
      }, {
        "fixed" : "3.1.12"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.NETCore.App.Host.linux-musl-x64"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.1.0"
      }, {
        "fixed" : "3.1.12"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.NETCore.App.Host.linux-x64"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.1.0"
      }, {
        "fixed" : "3.1.12"
      } ]
    } ]
  }, {
    "package" : {
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  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-1721"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dotnet/announcements/issues/175"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dotnet/runtime/issues/48067"
  }, {
    "type" : "WEB",
    "url" : "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1721"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-11-01T21:40:37Z",
    "nvd_published_at" : "2021-02-25T23:15:00Z"
  }
}