Security advisory

{
  "id": "b28a7b411578948bdc250e13fc53a1c812edf9bbdd24fac9863d51e7693d8550",
  "url": "https://osv.dev/vulnerability/CVE-2017-15703",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-15703",
    "summary": "Any authenticated user (valid client certificate but without ACL permissions) could upload a template which contained malicious code and caused a denial of service via Java deserialization attack. The fix to properly handle Java deserialization 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-2017-15703",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-15703",
      "aliases": [
        "CVE-2017-15703",
        "GHSA-xwx6-vmj4-5rv8"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/nifi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "74d5224783dfdc513f6b3ad5ed96671d3c581707"
                },
                {
                  "last_affected": "e6508ba7d3da5bba54abd6233a7a8f9dd4c32151"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "last_affected": "1.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-15703.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:53.208779393Z",
      "provider": "osv",
      "references": [
        "https://nifi.apache.org/security.html#CVE-2017-15703"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-15703",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437865,
  "published_at": "2018-01-25T21:29:00.207+00:00"
}