What is CVE-2021-1721?

CVE-2021-1721 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. .NET Core and Visual Studio Denial of Service Vulnerability

Which CVE IDs does CVE-2021-1721 cover?

CVE-2021-1721 covers the following CVE IDs: CVE-2021-1721. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-1721?

CVE-2021-1721 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-1721?

CVE-2021-1721 affects 9 products, including: .NET 5.0; .NET Core 2.1; .NET Core 3.1; Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8); Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3); and others — see the full list on the advisory page.

CVE-2021-1721HighCVSS 6.5

.NET Core and Visual Studio Denial of Service Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

February 9, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-1721 →

🎯 Affected products9

.NET 5.0
.NET Core 2.1
.NET Core 3.1
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
Microsoft Visual Studio 2019 version 16.8
PowerShell Core 7.0
PowerShell Core 7.1

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (9)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1721
patchhttps://my.visualstudio.com/Downloads?q=Visual Studio 2019 version 16.7
patchhttps://github.com/PowerShell/PowerShell#get-powershell
patchhttps://dotnet.microsoft.com/download/dotnet-core/2.1
patchhttps://dotnet.microsoft.com/download/dotnet-core/3.1
patchhttps://dotnet.microsoft.com/download/dotnet/5.0
patchhttps://my.visualstudio.com/Downloads?q=Visual Studio 2019 version 16.4
patchhttp://aka.ms/vs/16/release/latest
patchhttp://aka.ms/vs/15/release/latest