{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "7.0.0"
              },
              {
                "fixed": "7.7.22"
              }
            ]
          },
          "events": [
            {
              "introduced": "b29ce01468ed115e942105986da362d665408033"
            },
            {
              "fixed": "2e8b9d2b5b40652321aaa9d2bb2dba1041da7fc4"
            }
          ],
          "repo": "https://github.com/vaadin/framework",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.",
  "id": "CVE-2020-36320",
  "modified": "2026-03-15T13:47:49.949669759Z",
  "published": "2021-04-23T16:15:08.360Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://vaadin.com/security/cve-2020-36320"
    },
    {
      "type": "FIX",
      "url": "https://github.com/vaadin/framework/issues/7757"
    },
    {
      "type": "FIX",
      "url": "https://github.com/vaadin/framework/pull/12104"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}