{"id":"CVE-2020-0602","aliases":["BIT-aspnet-core-2020-0602","GHSA-23cv-jh4v-vffm"],"url":"https://o3.security/vulnerability/CVE-2020-0602","summary":"Denial of service in ASP.NET Core","details":"A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.","published":"2020-01-14T23:15:30.287Z","modified":"2026-07-08T05:56:30.231051539Z","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":{"score":0.07614,"percentile":0.94182,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.All","fixedVersion":"2.1.15"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App","fixedVersion":"3.1.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App","fixedVersion":"3.0.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App","fixedVersion":"2.1.15"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.Http.Connections","fixedVersion":"1.0.15"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-arm","fixedVersion":"3.1.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-arm64","fixedVersion":"3.1.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-musl-x64","fixedVersion":"3.1.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.linux-x64","fixedVersion":"3.1.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.osx-x64","fixedVersion":"3.1.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.win-arm","fixedVersion":"3.1.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.win-x64","fixedVersion":"3.1.1"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.App.Runtime.win-x86","fixedVersion":"3.1.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0130"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0134"},{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0602"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0602"},{"type":"WEB","url":"https://github.com/aspnet/Announcements/issues/402"},{"type":"WEB","url":"https://github.com/github/advisory-database/issues/302"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:56:30.231051539Z"}}