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CVE-2023-36899— ASP.NET Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Microsoft .NET Framework 2.0 Service Pack 2
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft ASP.NET Core是美国微软（Microsoft）公司的一框跨平台开源框架。该框架用于构建Web应用、物联网应用和移动后端等基于云的应用程序。 ASP.NET存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Microsoft .NET Framework 3.5 AND 4.8 for Windows 11 version 21H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for W

CVSS 8.8 · High EPSS 76.71% · P100

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 9

VendorProduct Version RangeStatus
Microsoft Microsoft .NET Framework 2.0 Service Pack 2 2.0.0< 2.0.50727.8974 affected
Microsoft Microsoft .NET Framework 3.5 and 4.6.2 4.7.0< 10.0.10240.20107 affected
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0< 10.0.14393.6167 affected
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0< 4.7.4057.05 affected
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0< 4.8.04654.06 affected
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1< 4.8.09176.01 affected
Microsoft Microsoft .NET Framework 4.6.2 4.7.0< 4.7.04057.05 affected
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0< 4.7.04057.05 affected
Microsoft Microsoft .NET Framework 4.8 4.8.0< 4.8.4654.06 affected
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I. Basic Information for CVE-2023-36899

Vulnerability Information
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Vulnerability Title
ASP.NET Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
ASP.NET Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft ASP.NET Core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft ASP.NET Core是美国微软（Microsoft）公司的一框跨平台开源框架。该框架用于构建Web应用、物联网应用和移动后端等基于云的应用程序。 ASP.NET存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Microsoft .NET Framework 3.5 AND 4.8 for Windows 11 version 21H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for W
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft .NET Framework 2.0 Service Pack 2 2.0.0 ~ 2.0.50727.8974 -
Microsoft Microsoft .NET Framework 3.5 and 4.6.2 4.7.0 ~ 10.0.10240.20107 -
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0 ~ 10.0.14393.6167 -
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 ~ 4.7.4057.05 -
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 ~ 4.8.04654.06 -
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 ~ 4.8.09176.01 -
Microsoft Microsoft .NET Framework 4.6.2 4.7.0 ~ 4.7.04057.05 -
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 ~ 4.7.04057.05 -
Microsoft Microsoft .NET Framework 4.8 4.8.0 ~ 4.8.4654.06 -

II. Public POCs for CVE-2023-36899

# POC Description Source Link Shenlong Link
1 CVE-2023-36899 PoC https://github.com/d0rb/CVE-2023-36899 POC Details
2 CVE-2023-36899漏洞的复现环境和工具，针对ASP.NET框架中的无cookie会话身份验证绕过。 https://github.com/midisec/CVE-2023-36899 POC Details
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III. Intelligence Information for CVE-2023-36899

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Vendor Advisories for CVE-2023-36899 (1)

Same Patch Batch · Microsoft · 2023-08-08 · 73 CVEs total

CVE-2023-35385 9.8 CRITICAL Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
CVE-2023-36910 9.8 CRITICAL Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
CVE-2023-21709 9.8 CRITICAL Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2023-36911 9.8 CRITICAL Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
CVE-2023-38186 8.8 HIGH Windows Mobile Device Management Elevation of Privilege Vulnerability
CVE-2023-29330 8.8 HIGH Microsoft Teams Remote Code Execution Vulnerability
CVE-2023-38181 8.8 HIGH Microsoft Exchange Server Spoofing Vulnerability
CVE-2023-35368 8.8 HIGH Microsoft Exchange Remote Code Execution Vulnerability
CVE-2023-36882 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2023-38169 8.8 HIGH Microsoft SQL OLE DB Remote Code Execution Vulnerability
CVE-2023-35381 8.8 HIGH Windows Fax Service Remote Code Execution Vulnerability
CVE-2023-35387 8.8 HIGH Windows Bluetooth A2DP driver Elevation of Privilege Vulnerability
CVE-2023-38185 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-29328 8.8 HIGH Microsoft Teams Remote Code Execution Vulnerability
CVE-2023-36897 8.1 HIGH Visual Studio Tools for Office Runtime Spoofing Vulnerability
CVE-2023-36891 8.0 HIGH Microsoft SharePoint Server Spoofing Vulnerability
CVE-2023-35388 8.0 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-36892 8.0 HIGH Microsoft SharePoint Server Spoofing Vulnerability
CVE-2023-38182 8.0 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-35386 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability

Showing top 20 of 73 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft .NET Framework 2.0 Service Pack 2
Same vendor: Microsoft
Same weakness: CWE-20

V. Comments for CVE-2023-36899

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