CVE-2023-21722— .NET Framework Denial of Service Vulnerability
Quick assessment
Affected
Microsoft Microsoft .NET Framework 2.0 Service Pack 2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft .NET Framework是美国微软（Microsoft）公司的一种全面且一致的编程模型，也是一个用于构建Windows、Windows Store、Windows Phone、Windows Server和Microsoft Azure的应用程序的开发平台。该平台包括C#和Visual Basic编程语言、公共语言运行库和广泛的类库。 Microsoft .NET Framework存在安全漏洞。以下产品和版本受到影响：Microsoft .NET Framework 4.6.2/
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 11
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 | 2.0.0< 2.0.50727.8966 |
affected |
| Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 | 3.0.0< 2.0.50727.8966 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0< 3.5.50727.8966 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 and 4.6.2 | 4.7.0< 10.0.10240.19747 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0< 10.0.04038.03 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0< 10.0.04614.06 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1< 10.0.09139.02 |
affected |
| Microsoft | Microsoft .NET Framework 3.5.1 | 3.5.0< 3.5.50727.8966 |
affected |
| Microsoft | Microsoft .NET Framework 4.6.2 | 4.7.0< 4.7.04038.06 |
affected |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0< 4.7.04614.08 |
affected |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0< 4.8.4614.08 |
affected |
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I. Basic Information for CVE-2023-21722
Vulnerability Information
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Vulnerability Title
.NET Framework Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
.NET Framework Denial of Service Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft .NET Framework 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft .NET Framework是美国微软（Microsoft）公司的一种全面且一致的编程模型，也是一个用于构建Windows、Windows Store、Windows Phone、Windows Server和Microsoft Azure的应用程序的开发平台。该平台包括C#和Visual Basic编程语言、公共语言运行库和广泛的类库。 Microsoft .NET Framework存在安全漏洞。以下产品和版本受到影响：Microsoft .NET Framework 4.6.2/
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 | Microsoft .NET Framework 2.0 Service Pack 2 | 2.0.0 ~ 2.0.50727.8966 | - |
|
| Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 | 3.0.0 ~ 2.0.50727.8966 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0 ~ 3.5.50727.8966 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 and 4.6.2 | 4.7.0 ~ 10.0.10240.19747 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 ~ 10.0.04038.03 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 ~ 10.0.04614.06 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 ~ 10.0.09139.02 | - |
|
| Microsoft | Microsoft .NET Framework 3.5.1 | 3.5.0 ~ 3.5.50727.8966 | - |
|
| Microsoft | Microsoft .NET Framework 4.6.2 | 4.7.0 ~ 4.7.04038.06 | - |
|
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 ~ 4.7.04614.08 | - |
|
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 ~ 4.8.4614.08 | - |
|
II. Public POCs for CVE-2023-21722
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2023-21722 (1)
Same Patch Batch · Microsoft · 2023-02-14 · 78 CVEs total
| CVE-2023-21689 | 9.8 CRITICAL | Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulner |
| CVE-2023-21690 | 9.8 CRITICAL | Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulner |
| CVE-2023-21692 | 9.8 CRITICAL | Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulner |
| CVE-2023-21803 | 9.8 CRITICAL | Windows iSCSI Discovery Service Remote Code Execution Vulnerability |
| CVE-2023-21716 | 9.8 CRITICAL | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2023-21685 | 8.8 HIGH | Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability |
| CVE-2023-21707 | 8.8 HIGH | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2023-21706 | 8.8 HIGH | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2023-21684 | 8.8 HIGH | Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability |
| CVE-2023-21717 | 8.8 HIGH | Microsoft SharePoint Server Elevation of Privilege Vulnerability |
| CVE-2023-21705 | 8.8 HIGH | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2023-21713 | 8.8 HIGH | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2023-21797 | 8.8 HIGH | Microsoft ODBC Driver Remote Code Execution Vulnerability |
| CVE-2023-21798 | 8.8 HIGH | Microsoft ODBC Driver Remote Code Execution Vulnerability |
| CVE-2023-21799 | 8.8 HIGH | Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability |
| CVE-2023-21686 | 8.8 HIGH | Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability |
| CVE-2023-21529 | 8.8 HIGH | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2023-21777 | 8.7 HIGH | Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability |
| CVE-2023-23374 | 8.3 HIGH | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability |
| CVE-2023-21806 | 8.2 HIGH | Power BI Report Server Spoofing Vulnerability |
Showing top 20 of 78 CVEs. View all on vendor page → →
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V. Comments for CVE-2023-21722
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