Security advisory

{
  "id": "c5a6dbc7eab315f9425331fa92c9d14379f4775b0c4589ad915978ad3cb3bf10",
  "url": "https://osv.dev/vulnerability/CVE-2017-11879",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-11879",
    "summary": "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\".",
    "evidence": "osv:CVE-2017-11879",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-11879",
      "aliases": [
        "CVE-2017-11879",
        "GHSA-3wcj-rg8q-9cqv"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/dotnet/aspnetcore",
              "type": "GIT",
              "events": [
                {
                  "introduced": "999787ace6778fae7ddb77178052231d7351f706"
                },
                {
                  "last_affected": "999787ace6778fae7ddb77178052231d7351f706"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:microsoft:asp.net_core:2.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0"
                      },
                      {
                        "last_affected": "2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0",
            "2.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-11879.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:21.094309607Z",
      "provider": "osv",
      "references": [
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11879"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-11879",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430415,
  "published_at": "2017-11-15T03:29:01.827+00:00"
}