{
  "id": "CVE-2020-36320",
  "sourceIdentifier": "security@vaadin.com",
  "published": "2021-04-23T16:15:08.360",
  "lastModified": "2024-11-21T05:29:16.220",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Una comprobaci\u00f3n no segura de RegEx en la clase EmailValidator en com.vaadin: vaadin-server versiones 7.0.0 hasta 7.7.21 (Vaadin versiones 7.0.0 hasta 7.7.21) permite a atacantes causar un consumo de recursos no controlado al enviar direcciones de correo electr\u00f3nico maliciosas"
    }
  ],
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 3.9,
        "impactScore": 3.6
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          "confidentialityImpact": "NONE",
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          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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      }
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  },
  "weaknesses": [
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      "source": "security@vaadin.com",
      "type": "Secondary",
      "description": [
        {
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          "value": "CWE-400"
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      "type": "Primary",
      "description": [
        {
          "lang": "en",
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  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "7.0.0",
              "versionEndExcluding": "7.7.22",
              "matchCriteriaId": "DB21C85C-04F4-464A-A519-5DAA5B1BE034"
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  "references": [
    {
      "url": "https://github.com/vaadin/framework/issues/7757",
      "source": "security@vaadin.com",
      "tags": [
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      "source": "security@vaadin.com",
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    }
  ]
}