{"id":"CVE-2017-11879","aliases":["GHSA-3wcj-rg8q-9cqv"],"url":"https://o3.security/vulnerability/CVE-2017-11879","summary":"Open redirect in ASP.NET Core","details":"ASP.NET Core 2.0 allows an attacker to steal log-in session information such as cookies or authentication tokens via a specially crafted URL aka \"ASP.NET Core Elevation Of Privilege Vulnerability\".","published":"2017-11-15T03:29:01.827Z","modified":"2026-07-08T14:58:56.116808Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.All","fixedVersion":"2.0.3"},{"ecosystem":"NuGet","name":"Microsoft.AspNetCore.Mvc.Core","fixedVersion":"2.0.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/101713"},{"type":"REPORT","url":"http://www.securitytracker.com/id/1039793"},{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11879"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11879"},{"type":"WEB","url":"https://github.com/aspnet/Announcements/issues/277"},{"type":"WEB","url":"https://github.com/github/advisory-database/issues/302"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T14:58:56.116808Z"}}