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CVE-2022-21986

HIGH
Published 2022-02-09T16:36:32
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.384
Higher than 38.4% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

No description available

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

.NET Denial of Service Vulnerability

GHSA-x459-p2rx-f8ff

Advisory Details

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0 and .NET 5.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A Denial of Service vulnerability exists in .NET 6.0 and .NET 5.0 when the Kestrel web server processes certain HTTP/2 and HTTP/3 requests. ### Affected Software * Any .NET 6.0 application running on .NET 6.0.1 or lower. * Any .NET 5.0 application running on .NET 5.0.13 or lower. ### Patches To fix the issue, please install the latest version of .NET 6.0 or .NET 5.0. If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET SDKs. * If you're using .NET Core 6.0, you should download and install Runtime 6.0.2 or SDK 6.0.102 (for Visual Studio 2022 v17.1) from https://dotnet.microsoft.com/download/dotnet-core/6.0. * If you're using .NET 5.0, you should download and install Runtime 5.0.14 or SDK 5.0.114 (for Visual Studio 2019 v16.8) or SDK 5.0.405 (for Visual Studio 2011 v16.11) from https://dotnet.microsoft.com/download/dotnet-core/5.0. .NET 6.0 and .NET 5.0 updates are also available from Microsoft Update. To access this either type "Check for updates" in your Windows search, or open Settings, choose Update & Security and then click Check for Updates. #### Other Details - Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/207 - An Issue for this can be found at https://github.com/dotnet/aspnetcore/issues/40072 - MSRC details for this can be found at https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-21986

Affected Packages

NuGet Microsoft.AspNetCore.App.Runtime.win-x64
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.linux-x64
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.win-x86
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.osx-x64
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-x64
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm64
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.win-arm64
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.win-arm
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm
ECOSYSTEM: ≥5.0.0 <5.0.14
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-arm64
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-musl-x64
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.linux-x64
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.osx-arm64
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.osx-x64
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.win-arm
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.win-arm64
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.win-x64
ECOSYSTEM: ≥6.0.0 <6.0.2
NuGet Microsoft.AspNetCore.App.Runtime.win-x86
ECOSYSTEM: ≥6.0.0 <6.0.2

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

Advisory provided by GitHub Security Advisory Database. Published: October 21, 2022, Modified: October 21, 2022

References

Published: 2022-02-09T16:36:32
Last Modified: 2025-01-02T18:28:16.455Z
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