CVE Database›Document archive›CVE-2022-21986

CVE-2022-21986

dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · February 9, 2022

Updated · October 9, 2026

Description

A vulnerability was found in dotnet’s ASP.NET Core Krestel when pooling HTTP/2 and HTTP/3 headers. This flaw allows a remote, unauthenticated attacker to cause a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-770 · Allocation of Resources Without Limits or Throttling