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CVE-2021-1723— ASP.NET Core and Visual Studio Denial of Service Vulnerability

Quick assessment

Affected
Microsoft ASP.NET Core 3.1
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft .NET Core和Microsoft Visual Studio都是美国微软(Microsoft)公司的产品。.NET Core是一套免费的开源开发平台。该平台具有多语言支持和跨平台等特点。Microsoft Visual Studio是一款开发工具套件系列产品,也是一个基本完整的开发工具集,它包括了整个软件生命周期中所需要的大部分工具。 Microsoft ASP.NET Core和Visual Studio 拒绝服务漏洞,目前尚无此漏洞的相关信息,请随时关注CNNVD或厂商公告。

CVSS 7.5 · High EPSS 4.91% · P92

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 5

VendorProduct Version RangeStatus
Microsoft ASP.NET Core 3.1 3.0< publication affected
Microsoft ASP.NET Core 5.0 5.0< publication affected
Microsoft Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) 16.0< publication affected
Microsoft Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) 16.0.0< publication affected
Microsoft Microsoft Visual Studio 2019 version 16.8 16.0< publication affected
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I. Basic Information for CVE-2021-1723

Vulnerability Information

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Vulnerability Title
ASP.NET Core and Visual Studio Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
ASP.NET Core and Visual Studio Denial of Service Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft ASP.NET Core和Visual Studio 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft .NET Core和Microsoft Visual Studio都是美国微软(Microsoft)公司的产品。.NET Core是一套免费的开源开发平台。该平台具有多语言支持和跨平台等特点。Microsoft Visual Studio是一款开发工具套件系列产品,也是一个基本完整的开发工具集,它包括了整个软件生命周期中所需要的大部分工具。 Microsoft ASP.NET Core和Visual Studio 拒绝服务漏洞,目前尚无此漏洞的相关信息,请随时关注CNNVD或厂商公告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft ASP.NET Core 3.1 3.0 ~ publication cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*
Microsoft ASP.NET Core 5.0 5.0 ~ publication cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*
Microsoft Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) 16.0 ~ publication cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
Microsoft Microsoft Visual Studio 2019 version 16.8 16.0 ~ publication cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
Microsoft Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) 16.0.0 ~ publication cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2021-1723

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III. Intelligence Information for CVE-2021-1723

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Vendor Advisories for CVE-2021-1723 (1)

Same Patch Batch · Microsoft · 2021-01-12 · 82 CVEs total

CVE-2021-1701 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1658 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1660 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1664 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1666 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1667 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1669 8.8 HIGH Windows Remote Desktop Security Feature Bypass Vulnerability
CVE-2021-1671 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1673 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1674 8.8 HIGH Windows Remote Desktop Protocol Core Security Feature Bypass Vulnerability
CVE-2021-1678 8.8 HIGH Windows Print Spooler Spoofing Vulnerability
CVE-2021-1707 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-1700 8.8 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2021-1636 8.8 HIGH Microsoft SQL Elevation of Privilege Vulnerability
CVE-2021-1718 8.0 HIGH Microsoft SharePoint Server Tampering Vulnerability
CVE-2021-1719 8.0 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2021-1712 8.0 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2021-1681 7.8 HIGH Windows WalletService Elevation of Privilege Vulnerability
CVE-2021-1710 7.8 HIGH Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2021-1703 7.8 HIGH Windows Event Logging Service Elevation of Privilege Vulnerability

Showing top 20 of 82 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

V. Comments for CVE-2021-1723

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