{"id":"CVE-2020-1161","aliases":["BIT-aspnet-core-2020-1161","GHSA-3cf7-7wq6-8842"],"url":"https://o3.security/vulnerability/CVE-2020-1161","summary":"ASP.NET Core Denial of Service Vulnerability","details":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","published":"2020-05-21T23:15:17.603Z","modified":"2026-07-08T05:53:33.369249971Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-arm","fixedVersion":"3.1.4"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-arm64","fixedVersion":"3.1.4"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","fixedVersion":"3.1.4"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-musl-x64","fixedVersion":"3.1.4"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-x64","fixedVersion":"3.1.4"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.osx-x64","fixedVersion":"3.1.4"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.win-arm","fixedVersion":"3.1.4"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.win-x64","fixedVersion":"3.1.4"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.win-x86","fixedVersion":"3.1.4"}],"fix":null,"references":[{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1161"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:53:33.369249971Z"}}