Vulnerabilities (CVE)

Filtered by vendor Microsoft Subscribe
Filtered by product Asp.net Core
Total 38 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2017-8700 1 Microsoft 1 Asp.net Core 2026-05-13 5.0 MEDIUM 7.5 HIGH
ASP.NET Core 1.0, 1.1, and 2.0 allow an attacker to bypass Cross-origin Resource Sharing (CORS) configurations and retrieve normally restricted content from a web application, aka "ASP.NET Core Information Disclosure Vulnerability".
CVE-2017-11879 1 Microsoft 1 Asp.net Core 2026-05-13 4.3 MEDIUM 8.8 HIGH
ASP.NET Core 2.0 allows an attacker to steal log-in session information such as cookies or authentication tokens via a specially crafted URL aka "ASP.NET Core Elevation Of Privilege Vulnerability".
CVE-2023-44487 33 Akka, Amazon, Apache and 30 more 324 Http Server, Opensearch Data Prepper, Apisix and 321 more 2026-05-12 N/A 7.5 HIGH
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.
CVE-2026-40372 1 Microsoft 1 Asp.net Core 2026-04-27 N/A 9.1 CRITICAL
Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-26130 1 Microsoft 1 Asp.net Core 2026-04-02 N/A 7.5 HIGH
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2020-1597 2 Fedoraproject, Microsoft 4 Fedora, Asp.net Core, Visual Studio 2017 and 1 more 2026-02-23 5.0 MEDIUM 7.5 HIGH
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.
CVE-2020-1045 3 Fedoraproject, Microsoft, Redhat 6 Fedora, Asp.net Core, Enterprise Linux and 3 more 2026-02-23 5.0 MEDIUM 7.5 HIGH
<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>
CVE-2025-55315 1 Microsoft 2 Asp.net Core, Visual Studio 2022 2025-10-28 N/A 9.9 CRITICAL
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.
CVE-2023-38180 2 Fedoraproject, Microsoft 4 Fedora, .net, Asp.net Core and 1 more 2025-10-28 N/A 7.5 HIGH
.NET and Visual Studio Denial of Service Vulnerability
CVE-2025-26682 1 Microsoft 2 Asp.net Core, Visual Studio 2022 2025-07-09 N/A 7.5 HIGH
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2025-24070 1 Microsoft 2 Asp.net Core, Visual Studio 2022 2025-07-02 N/A 7.0 HIGH
Weak authentication in ASP.NET Core &amp; Visual Studio allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-36558 1 Microsoft 3 .net, Asp.net Core, Visual Studio 2022 2025-01-01 N/A 6.2 MEDIUM
ASP.NET Core Security Feature Bypass Vulnerability
CVE-2024-21404 1 Microsoft 2 Asp.net Core, Visual Studio 2022 2024-11-21 N/A 7.5 HIGH
.NET Denial of Service Vulnerability
CVE-2024-21386 1 Microsoft 2 Asp.net Core, Visual Studio 2022 2024-11-21 N/A 7.5 HIGH
.NET Denial of Service Vulnerability
CVE-2023-36038 1 Microsoft 3 .net, Asp.net Core, Visual Studio 2022 2024-11-21 N/A 8.2 HIGH
ASP.NET Core Denial of Service Vulnerability
CVE-2023-35391 1 Microsoft 3 .net, Asp.net Core, Visual Studio 2022 2024-11-21 N/A 6.2 MEDIUM
ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability
CVE-2021-43877 1 Microsoft 3 Asp.net Core, Visual Studio 2019, Visual Studio 2022 2024-11-21 4.6 MEDIUM 8.8 HIGH
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
CVE-2021-34532 1 Microsoft 2 Asp.net Core, Visual Studio 2019 2024-11-21 2.1 LOW 5.5 MEDIUM
ASP.NET Core and Visual Studio Information Disclosure Vulnerability
CVE-2021-1723 2 Fedoraproject, Microsoft 3 Fedora, Asp.net Core, Visual Studio 2019 2024-11-21 5.0 MEDIUM 7.5 HIGH
ASP.NET Core and Visual Studio Denial of Service Vulnerability
CVE-2020-1161 1 Microsoft 3 Asp.net Core, Visual Studio 2017, Visual Studio 2019 2024-11-21 5.0 MEDIUM 7.5 HIGH
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.