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CVE-2020-1161

ASP.NET Core Denial of Service Vulnerability

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against an ASP.NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application. The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.

CVSS 3.1 · 7.5 High EPSS 5.3% KEV · Not listed
Vendors
Microsoft Redhat
Products
Asp.net Core Visual Studio 2017 Visual Studio 2019 and 2 more
CVE-2020-1108

.NET Core & .NET Framework Denial of Service Vulnerability

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Core or .NET Framework application. The update addresses the vulnerability by correcting how the .NET Core or .NET Framework web application handles web requests.

CVSS 3.1 · 7.5 High EPSS 6.5% KEV · Not listed
Vendors
Microsoft Redhat
Products
.net .net Core .net Framework and 14 more
CVE-2026-47304

.NET Security Feature Bypass Vulnerability

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Apple Linux Microsoft
Products
Macos Linux Kernel .net and 19 more
CVE-2026-32175

.NET Core Tampering Vulnerability

A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
.net Microsoft Visual Studio 2022 Visual Studio 2017 and 4 more
CVE-2025-21176

.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability

.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability

CVSS 3.1 · 8.8 High EPSS 2.4% KEV · Not listed
Vendors
Apple Linux Microsoft and 1 more
Products
Macos Linux Kernel .net and 22 more