Security advisory

{
  "id": "52fb3d04a0e447e6bc1bcb2f41edfa838de44dd7d300eba00c6dac4abcaffe15",
  "url": "https://osv.dev/vulnerability/CVE-2020-23015",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-23015",
    "summary": "An open redirect issue was discovered in OPNsense through 20.1.5. The redirect parameter \"url\" in login page was not filtered and can redirect user to any website.",
    "evidence": "osv:CVE-2020-23015",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-23015",
      "aliases": [
        "CVE-2020-23015"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/opnsense/core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4cfaa8ca97dc781bcd2b0c55037e24eea5825d4a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "20.1.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "20.1.5",
            "20.1.4",
            "20.1.3",
            "20.1.2",
            "20.1.1",
            "20.1",
            "20.1.r1",
            "20.1.r",
            "20.1.b",
            "20.1.a",
            "19.7.r",
            "19.7.b",
            "19.7.a",
            "19.1.r",
            "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-2020-23015.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:48.664524656Z",
      "provider": "osv",
      "references": [
        "https://github.com/opnsense/core/issues/4061"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-23015",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383844,
  "published_at": "2021-05-03T22:15:08.533+00:00"
}