FKIE_CVE-2020-13664

Vulnerability from fkie_nvd - Published: 2021-05-05 15:15 - Updated: 2026-06-17 02:53
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Arbitrary PHP code execution vulnerability in Drupal Core under certain circumstances. An attacker could trick an administrator into visiting a malicious site that could result in creating a carefully named directory on the file system. With this directory in place, an attacker could attempt to brute force a remote code execution vulnerability. Windows servers are most likely to be affected. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.1 versions prior to 9.0.1.
References
mlhess@drupal.orghttps://www.drupal.org/sa-core-2020-005Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.drupal.org/sa-core-2020-005Vendor Advisory
Impacted products
Vendor Product Version
drupal drupal *
drupal drupal *
drupal drupal *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Drupal Core",
          "vendor": "Drupal",
          "versions": [
            {
              "lessThan": "8.8.8",
              "status": "affected",
              "version": "8.8.x",
              "versionType": "custom"
            },
            {
              "lessThan": "8.9.1",
              "status": "affected",
              "version": "8.9.x",
              "versionType": "custom"
            },
            {
              "lessThan": "9.0.1",
              "status": "affected",
              "version": "9.0.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "mlhess@drupal.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "66FFE610-B1FE-4177-9895-947CD43B9E97",
              "versionEndExcluding": "8.8.8",
              "versionStartIncluding": "8.8.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1D615108-F4BB-4245-8A07-59FBE362B364",
              "versionEndExcluding": "8.9.1",
              "versionStartIncluding": "8.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8B108358-A0B2-44BC-8D3E-9AECEA14E3BE",
              "versionEndExcluding": "9.0.1",
              "versionStartIncluding": "9.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Arbitrary PHP code execution vulnerability in Drupal Core under certain circumstances. An attacker could trick an administrator into visiting a malicious site that could result in creating a carefully named directory on the file system. With this directory in place, an attacker could attempt to brute force a remote code execution vulnerability. Windows servers are most likely to be affected. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.1 versions prior to 9.0.1."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de ejecuci\u00f3n de c\u00f3digo PHP arbitraria en Drupal Core bajo determinadas circunstancias.\u0026#xa0;Un atacante podr\u00eda enga\u00f1ar a un administrador de visitar un sitio malicioso que podr\u00eda resultar en la creaci\u00f3n de un directorio cuidadosamente nombrado en el sistema de archivos.\u0026#xa0;Con este directorio en su lugar, un atacante podr\u00eda intentar mediante fuerza bruta una vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota.\u0026#xa0;Es m\u00e1s probable que los servidores de Windows est\u00e9n afectados.\u0026#xa0;Este problema afecta a: Drupal Drupal Core versiones 8.8.x anteriores a 8.8.8;\u0026#xa0;Versiones 8.9.x anteriores a 8.9.1;\u0026#xa0;versiones 9.0.1 anteriores a 9.0.1"
    }
  ],
  "id": "CVE-2020-13664",
  "lastModified": "2026-06-17T02:53:32.117",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-05-05T15:15:08.227",
  "references": [
    {
      "source": "mlhess@drupal.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.drupal.org/sa-core-2020-005"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.drupal.org/sa-core-2020-005"
    }
  ],
  "sourceIdentifier": "mlhess@drupal.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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