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Vulnerability DatabaseCVE-2022-219862
CVE-2022-219862:
.NET SDK vulnerability analysis and mitigation
Overview
CVE-2022-21986 is a Denial of Service vulnerability affecting ASP.NET Core Krestel when pooling HTTP/2 and HTTP/3 headers. The vulnerability was disclosed on February 9, 2022, affecting .NET 5.0 and .NET 6.0 frameworks (NVD, RedHat).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating a network-accessible vulnerability requiring low attack complexity with no privileges or user interaction needed (NVD).
Impact
When successfully exploited, this vulnerability allows a remote, unauthenticated attacker to cause a denial of service condition in the affected application (Rapid7).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. For .NET 5.0, users should upgrade to .NET SDK 5.0.211 and .NET Runtime 5.0.14. For .NET 6.0, users should upgrade to .NET SDK 6.0.102 and .NET Runtime 6.0.2 (RedHat).
Additional resources
Source: This report was generated using AI
Related .NET SDK vulnerabilities:
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