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microsoft

asp.net_core

34 known vulnerabilities · sorted by CVSS score

CVE-2025-55315
CRITICAL9.9

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network.

microsoft / asp.net_core+5
Network
Published Oct 14, 2025
Page 1 of 2
CVE-2018-0787
HIGH8.8

ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to how web applications that are created from templates validate web requests, aka "ASP.NET Core Elevation Of Privilege Vulnerability".

microsoft / asp.net_core+2
Network
Published Mar 14, 2018
CVE-2019-1302
HIGH8.8

An elevation of privilege vulnerability exists when a ASP.NET Core web application, created using vulnerable project templates, fails to properly sanitize web requests, aka 'ASP.NET Core Elevation Of Privilege Vulnerability'.

microsoft / asp.net_core+2
Network
Published Sep 11, 2019
CVE-2020-0603
HIGH8.8

A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka 'ASP.NET Core Remote Code Execution Vulnerability'.

microsoft / asp.net_core+4
Network
Published Jan 14, 2020
CVE-2018-0784
HIGH8.8

ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to the ASP.NET Core project templates, aka "ASP.NET Core Elevation Of Privilege Vulnerability". This CVE is unique from CVE-2018-0808.

microsoft / asp.net_core
Network
Published Jan 10, 2018
CVE-2021-43877
HIGH8.8

ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability

microsoft / asp.net_core+6
Local
Published Dec 15, 2021
CVE-2023-36038
HIGH8.2

ASP.NET Core Denial of Service Vulnerability

microsoft / visual_studio_2022+4
Network
Published Nov 14, 2023
CVE-2023-44487
HIGH7.5

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

ietf / http+291
Network
Published Oct 10, 2023
CVE-2021-1723
HIGH7.5

ASP.NET Core and Visual Studio Denial of Service Vulnerability

microsoft / asp.net_core+4
Network
Published Jan 12, 2021
CVE-2018-8171
HIGH7.5

A Security Feature Bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated, aka "ASP.NET Security Feature Bypass Vulnerability." This affects ASP.NET, ASP.NET Core 1.1, ASP.NET Core 1.0, ASP.NET Core 2.0, ASP.NET MVC 5.2.

microsoft / asp.net_core+4
Network
Published Jul 11, 2018
CVE-2019-0564
HIGH7.5

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka "ASP.NET Core Denial of Service Vulnerability." This affects ASP.NET Core 2.1. This CVE ID is unique from CVE-2019-0548.

microsoft / asp.net_core
Network
Published Jan 8, 2019
CVE-2020-0602
HIGH7.5

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

microsoft / asp.net_core+4
Network
Published Jan 14, 2020
CVE-2018-0875
HIGH7.5

.NET Core 1.0, .NET Core 1.1, NET Core 2.0 and PowerShell Core 6.0.0 allow a denial of Service vulnerability due to how specially crafted requests are handled, aka ".NET Core Denial of Service Vulnerability".

microsoft / asp.net_core+3
Network
Published Mar 14, 2018
CVE-2020-1597
HIGH7.5

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.

microsoft / asp.net_core+6
Network
Published Aug 17, 2020
CVE-2020-1161
HIGH7.5

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

microsoft / asp.net_core+2
Network
Published May 21, 2020
CVE-2018-8292
HIGH7.5

An information disclosure vulnerability exists in .NET Core when authentication information is inadvertently exposed in a redirect, aka ".NET Core Information Disclosure Vulnerability." This affects .NET Core 2.1, .NET Core 1.0, .NET Core 1.1, PowerShell Core 6.0.

microsoft / asp.net_core+3
Network
Published Oct 10, 2018
CVE-2019-0982
HIGH7.5

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

microsoft / asp.net_core+1
Network
Published May 16, 2019
CVE-2020-1045
HIGH7.5

<p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.</p> <p>The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious attacker to set a second cookie with the name being percent encoded.</p> <p>The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.</p>

microsoft / asp.net_core+13
Network
Published Sep 11, 2020
CVE-2023-38180
HIGH7.5

.NET and Visual Studio Denial of Service Vulnerability

microsoft / .net+7
Network
Published Aug 8, 2023
CVE-2024-21404
HIGH7.5

.NET Denial of Service Vulnerability

microsoft / asp.net_core+5
Network
Published Feb 13, 2024