Security advisory

{
  "id": "d5cc528bdc543ecceb1e167b81d71423346d878b9ff9110159ff99ff79e79535",
  "url": "https://osv.dev/vulnerability/CVE-2020-36319",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-36319",
    "summary": "Insecure configuration of default ObjectMapper in com.vaadin:flow-server versions 3.0.0 through 3.0.5 (Vaadin 15.0.0 through 15.0.4) may expose sensitive data if the application also uses e.g. @RestController",
    "evidence": "osv:CVE-2020-36319",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-36319",
      "aliases": [
        "CVE-2020-36319",
        "GHSA-rjww-2x8v-m9v9"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/vaadin/flow",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4b6ca4330163c4e976b32d03880fe2154a9d1ca7"
                },
                {
                  "fixed": "30a303ec4204dfa8cfc2664e320429194bc5f819"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.0.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.0.5",
            "3.0.4",
            "3.0.3",
            "3.0.2",
            "3.0.1",
            "3.0.0.beta5",
            "3.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36319.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/vaadin/platform",
              "type": "GIT",
              "events": [
                {
                  "introduced": "354ad0186b5e61b548adad84de03af297dc6f2a6"
                },
                {
                  "fixed": "2fb7bb4d6509b7016bca151a83c1ef791a81c875"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "15.0.0"
                      },
                      {
                        "fixed": "15.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "15.0.4",
            "15.0.3",
            "15.0.2",
            "15.0.1",
            "15.0.0.rc1",
            "15.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36319.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/vaadin/vaadin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9efda1b1e0a27769eef9292dd7799d8fea77e633"
                },
                {
                  "fixed": "be1c66928f900921032329388bc52bd548a33b31"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "15.0.0"
                      },
                      {
                        "fixed": "15.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v15.0.4",
            "v15.0.3",
            "v15.0.2",
            "v15.0.1",
            "v15.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36319.json"
          }
        }
      ],
      "modified": "2026-10-24T10:51:20.376226148Z",
      "provider": "osv",
      "references": [
        "https://vaadin.com/security/cve-2020-36319",
        "https://github.com/vaadin/flow/pull/8016",
        "https://github.com/vaadin/flow/pull/8051"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "vaadin:vaadin",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "15.0.0"
                  },
                  {
                    "fixed": "15.0.5"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-36319",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 442546,
  "published_at": "2021-04-23T16:15:08.317+00:00"
}