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CVE-2020-1171

Visual Studio Code Python Extension Remote Code Execution Vulnerability

A remote code execution vulnerability exists in Visual Studio Code when the Python extension loads configuration files after opening a project. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would need to convince a target to clone a repository and open it in Visual Studio Code with the Python extension installed. Attacker-specified code would execute when the target opened the integrated terminal. The update address the vulnerability by modifying the way Visual Studio Code Python extension handles environment variables.

CVSS 3.1 · 8.8 High EPSS 5.2% KEV · Not listed
Vendors
Microsoft
Products
Python Visual Studio Code
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-2020-1192

Visual Studio Code Python Extension Remote Code Execution Vulnerability

A remote code execution vulnerability exists in Visual Studio Code when the Python extension loads workspace settings from a notebook file. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would need to convince a target to open a specially crafted file in Visual Studio Code with the Python extension installed. The update address the vulnerability by modifying the way Visual Studio Code Python extension enforces user settings.

CVSS 3.1 · 7.8 High EPSS 4.3% KEV · Not listed
Vendors
Microsoft
Products
Python Visual Studio Code
CVE-2026-54981

Visual Studio Code Python Extension Security Feature Bypass Vulnerability

Inclusion of functionality from untrusted control sphere in Visual Studio Code - Python extension allows an unauthorized attacker to bypass a security feature locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Microsoft
Products
Python Visual Studio Code
CVE-2026-62899

.NET Security Feature Bypass Vulnerability

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

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Apple Linux Microsoft
Products
Macos Linux Kernel .net and 5 more