{"id":"CVE-2019-1302","aliases":["EUVD-2022-5851","GHSA-xr8f-59pp-rxxh"],"status":"published","title":"Elevation of privilege in ASP.NET Core","description":"An elevation of privilege vulnerability exists when a ASP.NET Core web application, created using vulnerable project templates, fails to properly sanitize web requests, aka 'ASP.NET Core Elevation Of Privilege Vulnerability'.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.04846,"percentile":0.92071,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2019-09-11T21:25:01Z","modified":"2026-10-24T10:31:01Z","fixes":[{"ecosystem":"NuGet","package":"Microsoft.AspNetCore.SpaServices","fixed_in":["2.2.7","2.1.13"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.SpaServices","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.7"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Microsoft.AspNetCore.SpaServices","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.13"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.SpaServices","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.7"}]}],"versions":["2.2.0"]},{"source":"osv","ecosystem":"NuGet","package":"Microsoft.AspNetCore.SpaServices","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.13"}]}],"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-2019-1302","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1302","tags":["advisory"]},{"url":"https://github.com/aspnet/Announcements/issues/384","tags":["web"]},{"url":"https://github.com/github/advisory-database/issues/302","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xr8f-59pp-rxxh"}],"sources":{"cve":[{"id":"CVE-2019-1302","description":"An elevation of privilege vulnerability exists when a ASP.NET Core web application, created using vulnerable project templates, fails to properly sanitize web requests, aka 'ASP.NET Core Elevation Of Privilege 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