Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-26423
CVE-2021-26423:
vulnerability analysis and mitigation
Overview
CVE-2021-26423 is a vulnerability affecting ASP.NET Core and Visual Studio that was discovered in early 2021. The vulnerability is related to WebSocket frame processing in ASP.NET Core applications that could lead to a Denial of Service condition (Red Hat CVE).
Technical details
The vulnerability stems from an infinite loop error in ASP.NET when processing WebSocket frames. This technical issue affects .NET Core implementations, specifically version 3.1 up to 3.1.18 (Red Hat Advisory).
Impact
When exploited, this vulnerability can cause high CPU resource consumption, potentially leading to a Denial of Service condition in affected systems (Red Hat CVE).
Mitigation and workarounds
The vulnerability has been addressed through security updates. Users should upgrade to .NET SDK 3.1.118 and .NET Runtime 3.1.18 or later versions to mitigate this vulnerability (Red Hat Advisory).
Additional resources
Source: This report was generated using AI
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