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CVE-2020-16937— .NET Framework Information Disclosure 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。 .NET Framework 中存在信息泄露漏洞，该漏洞允许攻击者可能会泄漏受影响系统的内存的内容。以下产品及版本受到影响： Microsoft .

CVSS 4.7 · Medium EPSS 3.29% · P88

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2020-16937

Vulnerability Information
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Vulnerability Title
.NET Framework Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>An information disclosure vulnerability exists when the .NET Framework improperly handles objects in memory. An attacker who successfully exploited the vulnerability could disclose contents of an affected system's memory.</p> <p>To exploit the vulnerability, an authenticated attacker would need to run a specially crafted application.</p> <p>The update addresses the vulnerability by correcting how the .NET Framework handles objects in memory.</p>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft .NET Framework 信息泄露漏洞
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。 .NET Framework 中存在信息泄露漏洞，该漏洞允许攻击者可能会泄漏受影响系统的内存的内容。以下产品及版本受到影响： Microsoft .
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 3.5 AND 4.8 4.8.0 ~ publication cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 ~ publication cpe:2.3:a:microsoft:.net:4.7.2:*:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0.0.0 ~ publication cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 3.0 ~ publication cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 3.5.0 ~ publication cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 4.6 4.0.0.0 ~ publication cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 2.0 Service Pack 2 2.0.0 ~ publication cpe:2.3:a:microsoft:.net:2.0:sp2:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 3.5 3.5.0 ~ publication cpe:2.3:a:microsoft:.net:3.5:*:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 3.5.1 3.5.0 ~ publication cpe:2.3:a:microsoft:.net:3.5.1:*:*:*:*:*:*:*
Microsoft Microsoft .NET Framework 4.5.2 4.0.0.0 ~ publication cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*

II. Public POCs for CVE-2020-16937

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III. Intelligence Information for CVE-2020-16937

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Vendor Advisories for CVE-2020-16937 (1)

Same Patch Batch · Microsoft · 2020-10-16 · 89 CVEs total

CVE-2020-1080 8.8 HIGH Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2020-16898 8.8 HIGH Windows TCP/IP Remote Code Execution Vulnerability
CVE-2020-16911 8.8 HIGH GDI+ Remote Code Execution Vulnerability
CVE-2020-16891 8.8 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2020-16946 8.7 HIGH Microsoft Office SharePoint XSS Vulnerability
CVE-2020-16945 8.7 HIGH Microsoft Office SharePoint XSS Vulnerability
CVE-2020-16944 8.7 HIGH Microsoft SharePoint Reflective XSS Vulnerability
CVE-2020-16952 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16951 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16939 7.8 HIGH Group Policy Elevation of Privilege Vulnerability
CVE-2020-16954 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2020-16936 7.8 HIGH Windows Backup Service Elevation of Privilege Vulnerability
CVE-2020-16935 7.8 HIGH Windows COM Server Elevation of Privilege Vulnerability
CVE-2020-16929 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2020-16928 7.8 HIGH Microsoft Office Click-to-Run Elevation of Privilege Vulnerability
CVE-2020-16924 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2020-16923 7.8 HIGH Microsoft Graphics Components Remote Code Execution Vulnerability
CVE-2020-16930 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2020-16940 7.8 HIGH Windows - User Profile Service Elevation of Privilege Vulnerability
CVE-2020-16957 7.8 HIGH Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Showing top 20 of 89 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
Same vendor: Microsoft

V. Comments for CVE-2020-16937

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