Security advisory

{
  "id": "acea78c53a18c94d850bb6d073f1b43e8ca1b37c2911176d37ecbfb418000976",
  "url": "https://osv.dev/vulnerability/CVE-2021-31410",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-31410",
    "summary": "Overly relaxed configuration of frontend resources server in Vaadin Designer versions 4.3.0 through 4.6.3 allows remote attackers to access project sources via crafted HTTP request.",
    "evidence": "osv:CVE-2021-31410",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-31410",
      "aliases": [
        "CVE-2021-31410"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/vaadin/designer",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1268971d1fa02290ae1d4ffc5988f3624f3e3311"
                },
                {
                  "fixed": "ee55ff2aea1020e57382cf1adca4a13fface72ff"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:vaadin:designer:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.3.0"
                      },
                      {
                        "fixed": "4.6.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.6.3",
            "4.6.2",
            "4.6.1",
            "4.5.9",
            "4.5.8",
            "4.5.7",
            "4.5.6",
            "4.5.5",
            "4.5.4",
            "4.5.3",
            "4.5.2",
            "4.5.13",
            "4.5.12",
            "4.5.11",
            "4.5.10",
            "4.5.1",
            "4.5.0",
            "4.4.2",
            "4.4.1",
            "4.4.0",
            "4.3.9",
            "4.3.8",
            "4.3.7",
            "4.3.6",
            "4.3.5",
            "4.3.12",
            "4.3.11",
            "4.3.10",
            "4.3.4",
            "4.3.3",
            "4.3.2",
            "4.3.1",
            "4.3.0.final"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31410.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:30.058241807Z",
      "provider": "osv",
      "references": [
        "https://vaadin.com/security/cve-2021-31410"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-31410",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432484,
  "published_at": "2021-04-23T17:15:08.297+00:00"
}