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CVE-2021-1723

Good to know:

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Date: January 12, 2021

ASP.NET Core and Visual Studio Denial of Service Vulnerability

Language: C#

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2021-1723
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1723
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RRXHERXW4KR5WCP76UDW5PC7GX3YQLUW
https://github.com/dotnet/announcements/issues/170
https://access.redhat.com/security/cve/CVE-2021-1723
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3L27CGRVEWUPELNJOGTCW6GLEDBECB4B
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1723
https://www.mend.io/vulnerability-database/CVE-2021-1723

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade Version

Upgrade to version microsoft.aspnetcore.server.kestrel.core - 2.1.25;microsoft.aspnetcore.app.runtime.linux-arm - 3.1.11;microsoft.aspnetcore.app.runtime.linux-arm - 5.0.2;microsoft.aspnetcore.app.runtime.linux-arm64 - 3.1.11;microsoft.aspnetcore.app.runtime.linux-arm64 - 5.0.2;microsoft.aspnetcore.app.runtime.linux-musl-arm64 - 3.1.11;microsoft.aspnetcore.app.runtime.linux-musl-arm64 - 5.0.2;microsoft.aspnetcore.app.runtime.linux-musl-x64 - 3.1.11;microsoft.aspnetcore.app.runtime.linux-musl-x64 - 5.0.2;microsoft.aspnetcore.app.runtime.linux-x64 - 3.1.11;microsoft.aspnetcore.app.runtime.linux-x64 - 5.0.2;microsoft.aspnetcore.app.runtime.osx-x64 - 3.1.11;microsoft.aspnetcore.app.runtime.osx-x64 - 5.0.2;microsoft.aspnetcore.app.runtime.win-arm - 3.1.11;microsoft.aspnetcore.app.runtime.win-arm - 5.0.2;microsoft.aspnetcore.app.runtime.win-arm64 - 3.1.11;microsoft.aspnetcore.app.runtime.win-arm64 - 5.0.2;microsoft.aspnetcore.app.runtime.win-x64 - 3.1.11;microsoft.aspnetcore.app.runtime.win-x64 - 5.0.2;microsoft.aspnetcore.app.runtime.win-x86 - 3.1.11;microsoft.aspnetcore.app.runtime.win-x86 - 5.0.2;microsoft.aspnetcore.app.runtime.linux-musl-arm - 5.0.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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