{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "copyright": "Copyright (c) 2017, Forum of Incident Response and Security Teams, Inc. All rights reserved.",
  
    "definitions": {
      "cve_id": {
        "type": "string",
        "pattern": "^CVE-[0-9]{4}-[0-9]{4,}$"
      },
      "email_address": {
        "type": "string",
        "pattern": "^([a-zA-Z0-9_\\-\\.]+)@([a-zA-Z0-9_\\-\\.]+)\\.([a-zA-Z]{2,5})$"
      },
      "state_id": {
        "type": "string"
      },
      "product": {
        "type": "object",
        "required": [ "product_name", "version" ],
        "properties": {
          "product_name": { "type": "string" },
          "version": {
            "type": "object",
            "required": [ "version_data" ],
            "properties": {
              "version_data": {
                "type": "array",
                "minItems": 1,
                "items": {
                  "type": "object",
                  "required": [ "version_value" ],
                  "properties": {
                    "version_value": { "type": "string" },
                    "version_affected": { "type": "string" }
                  }
                }
              }
            }
          }
        }
      },
      "reference": {
        "type": "object",
        "required": [ "url" ],
        "properties": {
          "url": {
            "maxLength": 500,
            "type": "string",
            "pattern": "^(ftp|http)s?://\\S+$"
          },
          "name": {"type": "string"},
          "refsource": {"type": "string"},
          "tags":{
              "type": "array", 
              "items": {
                  "type": "string"
              }
          }
        }
      },
      "lang_string": {
        "type": "object",
        "required": [ "lang", "value" ],
        "properties": {
          "lang": { "type": "string" },
          "value": { "type": "string", "maxLength": 3999 }
        }
      }
    },
  
    "type": "object",
    "required": [ "data_type", "data_format", "data_version", "CVE_data_meta", "affects", "problemtype", "references", "description" ],
    "properties": {
      "data_type": { "enum": [ "CVE" ] },
      "data_format": { "enum": [ "MITRE" ] },
      "data_version": { "enum": [ "4.0" ] },
      "CVE_data_meta": {
        "type":"object",
        "required": [ "ID", "ASSIGNER" ],
        "properties": { 
          "ID": { "$ref": "#/definitions/cve_id" },
          "ASSIGNER": { "$ref": "#/definitions/email_address" },
          "STATE": { "$ref": "#/definitions/state_id" }
        }
      },
      "affects": {
        "type": "object",
        "required": [ "vendor" ],
        "properties": {
          "vendor": {
            "type": "object",
            "required": [ "vendor_data" ],
            "properties": {
              "vendor_data": {
                "type": "array",
                "minItems": 0,
                "items": {
                  "type": "object",
                  "required": [ "vendor_name", "product" ],
                  "properties": {
                    "vendor_name": { "type": "string" },
                    "product": {
                      "type": "object",
                      "required": [ "product_data" ],
                      "properties": {
                        "product_data": {
                          "type": "array",
                          "minItems": 1,
                          "items": { "$ref": "#/definitions/product" }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      },
      "problemtype": {
        "type": "object",
        "required": [ "problemtype_data" ],
        "properties": {
          "problemtype_data": {
            "type": "array",
            "minItems": 0,
            "items": {
              "type": "object",
              "required": [ "description" ],
              "properties": {
                "description": {
                  "type": "array",
                  "minItems": 0,
                  "items": { "$ref": "#/definitions/lang_string" }
                }
              }
            }
          }
        }
      },
      "references": {
        "type": "object",
        "required": [ "reference_data" ],
        "properties": {
          "reference_data": {
            "type": "array",
            "maxItems": 500,
            "minItems": 0,
            "items": { "$ref": "#/definitions/reference" }
          }
        }
      },
      "description": {
        "type": "object",
        "required": [ "description_data" ],
        "properties": {
          "description_data": {
            "type": "array",
            "minItems": 0,
            "items": { "$ref": "#/definitions/lang_string" }
          }
        }
      }
    }
  }