Security advisory

{
  "id": "89ad853f124b8de64207b761ef8dfbfb4a3d56cfb6a20ccd62bdf37f6907d3f3",
  "url": "https://osv.dev/vulnerability/CVE-2021-37938",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-37938",
    "summary": "It was discovered that on Windows operating systems specifically, Kibana was not validating a user supplied path, which would load .pbf files. Because of this, a malicious user could arbitrarily traverse the Kibana host to load internal files ending in the .pbf extension. Thanks to Dominic Couture for finding this vulnerability.",
    "evidence": "osv:CVE-2021-37938",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-37938",
      "aliases": [
        "CVE-2021-37938"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/elastic/elasticsearch",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a479a2a7fce0389512d6a9361301708b92dff667"
                },
                {
                  "fixed": "93d5a7f6192e8a1a12e154a2b81bf6fa7309da0c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.9.0"
                      },
                      {
                        "fixed": "7.15.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37938.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/elastic/kibana",
              "type": "GIT",
              "events": [
                {
                  "introduced": "095c1cec623b89c03306ef46becbc230597c0e47"
                },
                {
                  "fixed": "1fb7cb47c5ffdbd0fae1b8ac24fd84158f33e085"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.9.0"
                      },
                      {
                        "fixed": "7.15.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37938.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:43.956053172Z",
      "provider": "osv",
      "references": [
        "https://discuss.elastic.co/t/kibana-7-15-2-security-update/288923"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-37938",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 435756,
  "published_at": "2021-11-18T16:15:08.817+00:00"
}