{"id":"CVE-2019-1075","aliases":["EUVD-2022-4821","GHSA-prrf-397v-83xh"],"status":"published","title":"Open redirect in ASP.NET Core","description":"A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02644,"percentile":0.85699,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2019-07-15T18:56:20Z","modified":"2026-10-24T10:30:41Z","fixes":[{"ecosystem":"NuGet","package":"Microsoft.AspNetCore.App","fixed_in":["2.2.6","2.1.12"],"sources":["ghsa","osv"]},{"ecosystem":"NuGet","package":"Microsoft.AspNetCore.All","fixed_in":["2.2.6","2.1.12"],"sources":["ghsa","osv"]},{"ecosystem":"NuGet","package":"Microsoft.AspNetCore.Server.IIS","fixed_in":["2.2.6"],"sources":["ghsa","osv"]},{"ecosystem":"NuGet","package":"Microsoft.AspNetCore.Server.HttpSys","fixed_in":["2.2.6","2.1.12"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.App","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.App","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.12"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.All","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.All","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.12"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.Server.IIS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.Server.HttpSys","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.Server.HttpSys","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.12"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.App","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}],"versions":["2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5"]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.App","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.12"}]}],"versions":["2.1.0","2.1.1","2.1.10","2.1.11","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9"]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.All","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}],"versions":["2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5"]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.All","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.12"}]}],"versions":["2.1.0","2.1.1","2.1.10","2.1.11","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9"]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.Server.IIS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}],"versions":["2.2.0","2.2.1","2.2.2"]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.Server.HttpSys","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}],"versions":["2.2.0"]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.Server.HttpSys","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.12"}]}],"versions":["2.1.0","2.1.1"]}],"products":[{"vendor":"microsoft","product":"asp.net core"},{"vendor":"microsoft","product":"asp.net_core"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1075","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1075","tags":["advisory"]},{"url":"https://github.com/aspnet/Announcements/issues/373","tags":["web"]},{"url":"https://github.com/github/advisory-database/issues/302","tags":["web"]},{"url":"https://github.com/advisories/GHSA-prrf-397v-83xh"}],"sources":{"cve":[{"id":"CVE-2019-1075","description":"A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'.","status":"published","published":"2019-07-15T18:56:20Z","modified":"2024-08-04T18:06:31.539Z","updated_at":"2026-11-02T14:20:26.034547Z"}],"euvd":[{"id":"EUVD-2022-4821","description":"A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'.","status":"published","published":"2019-07-15T18:56:20Z","modified":"2024-08-04T18:06:31Z","updated_at":"2026-11-03T03:06:58.838317Z"}],"ghsa":[{"id":"GHSA-prrf-397v-83xh","title":"Open redirect in ASP.NET Core","description":"A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'.","status":"published","published":"2022-05-24T16:50:19Z","modified":"2023-01-27T05:02:37Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:36:19.144959Z"}],"nvd":[{"id":"CVE-2019-1075","description":"A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'.","status":"published","published":"2019-07-15T19:15:17.343Z","modified":"2026-06-17T02:27:46.31Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:05:19.195714Z"}],"osv":[{"id":"CVE-2019-1075","description":"A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'.","status":"published","published":"2019-07-15T19:15:17.343Z","modified":"2026-10-24T10:30:41.88783436Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:10.383287Z"},{"id":"GHSA-prrf-397v-83xh","title":"Open redirect in ASP.NET Core","description":"A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'.","status":"published","published":"2022-05-24T16:50:19Z","modified":"2023-11-08T04:00:54.773685Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:53.700556Z"}]}}
