Security advisory

{
  "id": "d35e9368537dc88d9dddec7ee59d7a43bceea6739d2aad9e142a12431acae228",
  "url": "https://osv.dev/vulnerability/CVE-2020-1947",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-1947",
    "summary": "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.",
    "evidence": "osv:CVE-2020-1947",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-1947",
      "aliases": [
        "CVE-2020-1947",
        "GHSA-v54f-xcmp-43cr"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/shardingsphere",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f81f4f03b1dd4b426adf1f29ffe93f9540ce6fc9"
                },
                {
                  "last_affected": "78a67e8c088ffc0b6f0e2c7418b0217cdc3bb87d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:shardingsphere:4.0.0:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0-NA"
                      },
                      {
                        "last_affected": "4.0.0-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:shardingsphere:4.0.0:rc3:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0-rc3"
                      },
                      {
                        "last_affected": "4.0.0-rc3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.0.0-NA",
            "4.0.0-rc3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-1947.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:35.892018100Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/r4a61a24c119bd820da6fb02100d286f8aae55c8f9b94a346b9bb27d8%40%3Cdev.shardingsphere.apache.org%3E"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-1947",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433858,
  "published_at": "2020-03-11T21:15:11.627+00:00"
}