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.

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-2160 A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
Github GHSA Github GHSA GHSA-3cf7-7wq6-8842 ASP.NET Core Denial of Service Vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 19 Aug 2026 16:45:00 +0000

Type Values Removed Values Added
Description A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka '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.
Title dotnet: Denial of service due to infinite loop ASP.NET Core Denial of Service Vulnerability
CPEs cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-19T16:34:12.596Z

Reserved: 2019-11-04T00:00:00.000Z

Link: CVE-2020-1161

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-05-21T23:15:17.603

Modified: 2026-08-19T17:17:28.160

Link: CVE-2020-1161

cve-icon Redhat

Severity : Important

Publid Date: 2020-05-12T00:00:00Z

Links: CVE-2020-1161 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses