CVE-2021-1721

high

Published 2022-05-24 · Modified 2024-11-29

CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2

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VIR risk

8.0

Description

Denial of service in .NET core

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202103-17

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202103-16

OS impact

OS	Version	Status	Fixed in
arch		fixed	`5.0.3.sdk103-2`

Package impact

Ecosystem	Package	Vulnerable	Fixed
NuGet	Microsoft.NETCore.App	`>=2.1.0,<2.1.25`	`2.1.25`
NuGet	Microsoft.NETCore.App.Host.linux-arm	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.linux-arm64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.linux-musl-arm64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.linux-musl-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.linux-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.osx-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.rhel.6-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.win-arm	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.win-arm64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.win-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Host.win-x86	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.linux-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.osx-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.rhel.6-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.win-arm	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.win-arm64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.win-x64	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.win-x86	`>=3.1.0,<3.1.12`	`3.1.12`
NuGet	Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.linux-arm	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.linux-arm64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.linux-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.Mono.osx-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.android-arm	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.android-arm64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.android-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.android-x86	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.browser-wasm	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.ios-arm	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.ios-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.ios-x86	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.linux-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.osx-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.tvos-arm64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.tvos-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.win-arm	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.win-arm64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.win-x64	`>=5.0.0,<5.0.3`	`5.0.3`
NuGet	Microsoft.NETCore.App.Runtime.win-x86	`>=5.0.0,<5.0.3`	`5.0.3`

References

Verify integrity in audit chain (admin only). AS-IS.