CVE-2021-24111— .NET Framework Denial of Service Vulnerability
Quick assessment
Affected
Microsoft Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
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 拒绝服务漏洞。以下产品和版本受到影响：Microsoft .NET Framework 4.6/4
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-24111
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: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 .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 拒绝服务漏洞。以下产品和版本受到影响：Microsoft .NET Framework 4.6/4
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 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 | 4.0.0.0 ~ publication |
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
|
|
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 ~ publication |
cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:*
|
|
| Microsoft | Microsoft .NET Framework 4.6 | 4.0.0.0 ~ publication |
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
|
|
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 ~ publication |
cpe:2.3:a:microsoft:.net:4.7.2:*:*:*:*:*:*:*
|
|
| Microsoft | Microsoft .NET Framework 4.7.2 | 10.0.0.0 ~ publication |
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
|
|
II. Public POCs for CVE-2021-24111
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-24111 (1)
Same Patch Batch · Microsoft · 2021-02-25 · 58 CVEs total
| CVE-2021-24074 | 9.8 CRITICAL | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2021-24077 | 9.8 CRITICAL | Windows Fax Service Remote Code Execution Vulnerability |
| CVE-2021-24078 | 9.8 CRITICAL | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-24094 | 9.8 CRITICAL | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2021-24072 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2021-24066 | 8.8 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2021-24093 | 8.8 HIGH | Windows Graphics Component Remote Code Execution Vulnerability |
| CVE-2021-1728 | 8.8 HIGH | System Center Operations Manager Elevation of Privilege Vulnerability |
| CVE-2020-17162 | 8.8 HIGH | Microsoft Windows Security Feature Bypass Vulnerability |
| CVE-2021-24088 | 8.8 HIGH | Windows Local Spooler Remote Code Execution Vulnerability |
| CVE-2021-24105 | 8.4 HIGH | Package Managers Configurations Remote Code Execution Vulnerability |
| CVE-2021-24112 | 8.1 HIGH | .NET Core Remote Code Execution Vulnerability |
| CVE-2021-26701 | 8.1 HIGH | .NET Core Remote Code Execution Vulnerability |
| CVE-2021-1722 | 8.1 HIGH | Windows Fax Service Remote Code Execution Vulnerability |
| CVE-2021-1726 | 8.0 HIGH | Microsoft SharePoint Server Spoofing Vulnerability |
| CVE-2021-24102 | 7.8 HIGH | Windows Event Tracing Elevation of Privilege Vulnerability |
| CVE-2021-24069 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2021-24083 | 7.8 HIGH | Windows Address Book Remote Code Execution Vulnerability |
| CVE-2021-24092 | 7.8 HIGH | Microsoft Defender Elevation of Privilege Vulnerability |
| CVE-2021-24081 | 7.8 HIGH | Microsoft Windows Codecs Library Remote Code Execution Vulnerability |
Showing top 20 of 58 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-24111
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