{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.0.0-NA"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.0.0-rc3"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "f81f4f03b1dd4b426adf1f29ffe93f9540ce6fc9"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "78a67e8c088ffc0b6f0e2c7418b0217cdc3bb87d"
            }
          ],
          "repo": "https://github.com/apache/shardingsphere",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In Apache ShardingSphere(incubator) 4.0.0-RC3 and 4.0.0, the ShardingSphere's web console uses the SnakeYAML library for parsing YAML inputs to load datasource configuration. SnakeYAML allows to unmarshal data to a Java type By using the YAML tag. Unmarshalling untrusted data can lead to security flaws of RCE.",
  "id": "CVE-2020-1947",
  "modified": "2026-03-13T21:53:25.638730953Z",
  "published": "2020-03-11T21:15:11.627Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread.html/r4a61a24c119bd820da6fb02100d286f8aae55c8f9b94a346b9bb27d8%40%3Cdev.shardingsphere.apache.org%3E"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}