Security advisory

{
  "id": "21dbc164071f3817bdb046d52f85d56bd2641b63dca88a1f8da7d19b3f24402b",
  "url": "https://osv.dev/vulnerability/CVE-2019-11816",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-11816",
    "summary": "Incorrect access control in the WebUI in OPNsense before version 19.1.8, and pfsense before 2.4.4-p3 allows remote authenticated users to escalate privileges to administrator via a specially crafted request.",
    "evidence": "osv:CVE-2019-11816",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-11816",
      "aliases": [
        "CVE-2019-11816"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/opnsense/core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "dff8692b8a230b7a561f8e1fc1cd458318621097"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "19.1.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "19.1.7",
            "19.1.6",
            "19.1.5",
            "19.1.4",
            "19.1.3",
            "19.1.2",
            "19.1.1",
            "19.1",
            "19.1.r2",
            "19.1.r1",
            "19.1.b",
            "19.1.a",
            "18.7.r",
            "18.7.b",
            "18.7.a",
            "18.1.r",
            "18.1.b",
            "18.1.a",
            "17.7.r",
            "17.7.b",
            "17.7.a",
            "17.1.r",
            "17.1.b",
            "17.1.a",
            "16.7.r",
            "16.7.b",
            "16.7.a",
            "15.7",
            "15.1.12",
            "15.1.11.4",
            "15.1.11.3",
            "15.1.11.2",
            "15.1.11.1",
            "15.1.11",
            "15.1.10.2",
            "15.1.10",
            "15.1.9.2",
            "15.1.9.1",
            "15.1.9",
            "15.1.8.4",
            "15.1.8.3",
            "15.1.8.2",
            "15.1.8.1",
            "15.1.8",
            "15.1.7.2",
            "15.1.7.1",
            "15.1.7",
            "15.1.6.1",
            "15.1.6",
            "15.1.5",
            "15.1.4",
            "15.1.3",
            "15.1.2",
            "15.1.1",
            "15.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11816.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:22.373620967Z",
      "provider": "osv",
      "references": [
        "https://forum.opnsense.org/index.php?topic=12787.0",
        "https://www.netgate.com/blog/pfsense-2-4-4-release-p3-now-available.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "netgate:pfsense",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "2.4.4"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:netgate:pfsense:2.4.4:p1:*:*:*:*:*:*",
              "cpe:2.3:a:netgate:pfsense:2.4.4:p2:*:*:*:*:*:*"
            ],
            "vendor_product": "netgate:pfsense",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.4.4-p1"
                  },
                  {
                    "last_affected": "2.4.4-p1"
                  },
                  {
                    "introduced": "2.4.4-p2"
                  },
                  {
                    "last_affected": "2.4.4-p2"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-11816",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430663,
  "published_at": "2019-05-20T22:29:00.33+00:00"
}