{
  "id": "CVE-2020-11891",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-04-21T17:15:12.757",
  "lastModified": "2024-11-21T04:58:50.490",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Joomla! before 3.9.17. Incorrect ACL checks in the access level section of com_users allow the unauthorized editing of usergroups."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Joomla! versiones anteriores a la versi\u00f3n 3.9.17. Una comprobaci\u00f3n de la ACL incorrecta en la secci\u00f3n access level de com_users permiten la edici\u00f3n no autorizada de grupos de usuarios."
    }
  ],
  "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:L/A:N",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE"
        },
        "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": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.8.8",
              "versionEndExcluding": "3.9.17",
              "matchCriteriaId": "ADAF4D90-0327-40C7-8ED1-CD3F1CFB981C"
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  "references": [
    {
      "url": "https://developer.joomla.org/security-centre/809-20200401-core-incorrect-access-control-in-com-users-access-level-editing-function.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://developer.joomla.org/security-centre/809-20200401-core-incorrect-access-control-in-com-users-access-level-editing-function.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}