{
  "id": "CVE-2020-26034",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-12-28T08:15:11.427",
  "lastModified": "2024-11-21T05:19:04.580",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An account-enumeration issue was discovered in Zammad before 3.4.1. The Create User functionality is implemented in a way that would enable an anonymous user to guess valid user email addresses. The application responds differently depending on whether the input supplied was recognized as associated with a valid user."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema de enumeraci\u00f3n de cuentas en Zammad versiones anteriores a 3.4.1. La funcionalidad Create User es implementada de una manera que permitir\u00eda a un usuario an\u00f3nimo adivinar direcciones de correo electr\u00f3nico de usuario v\u00e1lidas. La aplicaci\u00f3n responde de forma diferente dependiendo de si la entrada suministrada fue reconocida como asociada con un usuario v\u00e1lido"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "baseScore": 4.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
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  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.0.0",
              "versionEndExcluding": "3.4.1",
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  "references": [
    {
      "url": "https://zammad.com/news/security-advisory-zaa-2020-14",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
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    },
    {
      "url": "https://zammad.com/news/security-advisory-zaa-2020-14",
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      "tags": [
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}