{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:apache:opennlp:1.6.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:apache:opennlp:1.7.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:apache:opennlp:1.7.1:*:*:*:*:*:*:*",
              "cpe:2.3:a:apache:opennlp:1.7.2:*:*:*:*:*:*:*",
              "cpe:2.3:a:apache:opennlp:1.8.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:apache:opennlp:1.8.1:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "1.6.0"
              },
              {
                "last_affected": "1.6.0"
              },
              {
                "introduced": "1.7.0"
              },
              {
                "last_affected": "1.7.0"
              },
              {
                "introduced": "1.7.1"
              },
              {
                "last_affected": "1.7.1"
              },
              {
                "introduced": "1.7.2"
              },
              {
                "last_affected": "1.7.2"
              },
              {
                "introduced": "1.8.0"
              },
              {
                "last_affected": "1.8.0"
              },
              {
                "introduced": "1.8.1"
              },
              {
                "last_affected": "1.8.1"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "378b77e3494ecfed282807aa6608ee8bf2d1e331"
            },
            {
              "last_affected": "0afb487dd29489736cfb8ab4a5458fdae9cab474"
            }
          ],
          "repo": "https://github.com/apache/opennlp",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.6.0",
        "1.7.0",
        "1.7.1",
        "1.7.2",
        "1.8.0",
        "1.8.1"
      ]
    }
  ],
  "database_specific": {
    "unresolved_ranges": [
      {
        "cpes": [
          "cpe:2.3:a:apache:opennlp:1.5.0:*:*:*:*:*:*:*",
          "cpe:2.3:a:apache:opennlp:1.5.1:*:*:*:*:*:*:*",
          "cpe:2.3:a:apache:opennlp:1.5.2:*:*:*:*:*:*:*",
          "cpe:2.3:a:apache:opennlp:1.5.3:*:*:*:*:*:*:*"
        ],
        "extracted_events": [
          {
            "introduced": "1.5.0"
          },
          {
            "last_affected": "1.5.0"
          },
          {
            "introduced": "1.5.1"
          },
          {
            "last_affected": "1.5.1"
          },
          {
            "introduced": "1.5.2"
          },
          {
            "last_affected": "1.5.2"
          },
          {
            "introduced": "1.5.3"
          },
          {
            "last_affected": "1.5.3"
          }
        ],
        "source": "CPE_STRING",
        "vendor_product": "apache:opennlp"
      }
    ]
  },
  "details": "When loading models or dictionaries that contain XML it is possible to perform an XXE attack, since Apache OpenNLP is a library, this only affects applications that load models or dictionaries from untrusted sources. The versions 1.5.0 to 1.5.3, 1.6.0, 1.7.0 to 1.7.2, 1.8.0 to 1.8.1 of Apache OpenNLP are affected.",
  "id": "CVE-2017-12620",
  "modified": "2026-07-08T05:36:35.628193727Z",
  "published": "2017-10-03T01:29:01.233Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "http://opennlp.apache.org/news/cve-2017-12620.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}