Security advisory

{
  "id": "48186ce322ae83ba789a58b9e3486d6b7f40d0892e3dae7cc0fdcd25065d24b1",
  "url": "https://osv.dev/vulnerability/CVE-2017-12623",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-12623",
    "summary": "An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack. The fix to properly handle XML External Entities was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.",
    "evidence": "osv:CVE-2017-12623",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-12623",
      "aliases": [
        "CVE-2017-12623",
        "GHSA-qj7f-j6h9-g5rq"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/nifi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "74d5224783dfdc513f6b3ad5ed96671d3c581707"
                },
                {
                  "last_affected": "ddb73612bd1512d8b2151b81f9aa40811bca2aaa"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:nifi:1.0.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "last_affected": "1.0.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:nifi:1.0.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.1"
                      },
                      {
                        "last_affected": "1.0.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:nifi:1.1.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.0"
                      },
                      {
                        "last_affected": "1.1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:nifi:1.1.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.1"
                      },
                      {
                        "last_affected": "1.1.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:nifi:1.1.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.1.2"
                      },
                      {
                        "last_affected": "1.1.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:nifi:1.2.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.2.0"
                      },
                      {
                        "last_affected": "1.2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:nifi:1.3.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.3.0"
                      },
                      {
                        "last_affected": "1.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.0",
            "1.0.1",
            "1.1.0",
            "1.1.1",
            "1.1.2",
            "1.2.0",
            "1.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12623.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:57.617377056Z",
      "provider": "osv",
      "references": [
        "https://nifi.apache.org/security.html#CVE-2017-12623"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-12623",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438900,
  "published_at": "2017-10-10T18:29:00.197+00:00"
}