{
  "id": "CVE-2021-36716",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-07-14T16:15:07.860",
  "lastModified": "2024-11-21T06:13:57.973",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A ReDoS (regular expression denial of service) flaw was found in the Segment is-email package before 1.0.1 for Node.js. An attacker that is able to provide crafted input to the isEmail(input) function may cause an application to consume an excessive amount of CPU."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo ReDoS (Denegaci\u00f3n de Servicio por expresi\u00f3n regular) en el paquete is-email de Segment versiones anteriores a 1.0.1 para Node.js. Un atacante que es capaz de proporcionar una entrada dise\u00f1ada a la funci\u00f3n isEmail(input) puede causar a una aplicaci\u00f3n consumir una cantidad excesiva de CPU"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:segment:is-email:*:*:*:*:*:node.js:*:*",
              "versionEndExcluding": "1.0.1",
              "matchCriteriaId": "42BCD081-6250-478B-ACC7-A121362BE502"
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  ],
  "references": [
    {
      "url": "https://github.com/segmentio/is-email/releases",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://segment.com/docs/release_notes/2021-07-13-cve-2021-36716/",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/segmentio/is-email/releases",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
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    {
      "url": "https://segment.com/docs/release_notes/2021-07-13-cve-2021-36716/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    }
  ]
}