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CVE-2008-6540

Estado: ModificadaMedia (5.1)—💥 Exploit

DotNetNuke before 4.8.2, during installation or upgrade, does not warn the administrator when the default (1) ValidationKey and (2) DecryptionKey values cannot be modified in the web.config file, which allows remote attackers to bypass intended access restrictions by using the default keys.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

Dnnsoftware — Dotnetnuke

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2008-6540",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-03-30T01:30:00.327",
  "references": [
    {
      "url": "http://osvdb.org/43720",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/29488",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.dotnetnuke.com/News/SecurityBulletins/SecurityBulletinno12/tabid/1148/Default.aspx",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/489957/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/28391",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41399",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/43720",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/29488",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.dotnetnuke.com/News/SecurityBulletins/SecurityBulletinno12/tabid/1148/Default.aspx",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/489957/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/28391",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41399",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "DotNetNuke before 4.8.2, during installation or upgrade, does not warn the administrator when the default (1) ValidationKey and (2) DecryptionKey values cannot be modified in the web.config file, which allows remote attackers to bypass intended access restrictions by using the default keys."
    },
    {
      "lang": "es",
      "value": "DotNetNuke anteriores a v4.8.2, durante la instalación o actualización, no avisan al administrador que los valores (1) ValidationKey y (2) DecryptionKey  no pueden ser modificados  en el fichero web.config, lo que permite a atacantes remotos saltarse las restricciones de intento de acceso utilizando las claves por defecto.\r\n"
    }
  ],
  "lastModified": "2026-06-16T23:02:24.987",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "271C6D19-F11C-4DEB-A34D-2E8B3BAD6643",
              "versionEndIncluding": "4.8.1"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "2548573E-7FDD-425D-95B6-ADCEAA77F722"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "2577EF82-53B4-4214-89EA-A292DE87F30B"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "C1E536AA-D810-4D2D-BF58-A1CDB37D9B1A"
            },
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              "matchCriteriaId": "9E04BBB1-E7C2-44E5-AAD7-405EC5CEE5C5"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "DF31E99C-DD44-4016-82C2-9F52D54C691F"
            },
            {
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              "matchCriteriaId": "2ED5EEC4-20B7-40A8-AF4F-34A3520F5011"
            },
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              "vulnerable": true,
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            },
            {
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              "matchCriteriaId": "A63CE487-4186-4264-9E65-39B3F4ABC3FC"
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              "matchCriteriaId": "8AC3E38B-1C6A-406B-96BF-3BE49094DF49"
            },
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            }
          ],
          "operator": "OR"
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    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}