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CVE-2011-3189

Estado: ModificadaMedia (4.3)—
Gravedad4.3Media · CVSS 2.0
Probabilidad de explotación4.21 %mayor que el 91 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

La función de cifrado en PHP v5.3.7, cuando el tipo de hash MD5 se utiliza, se devuelve el valor del argumento en vez de la cadena hash, lo que podría permitir a atacantes remotos evitar la autenticación a través de una contraseña arbitraria, una vulnerabilidad diferente a CVE-2011-2483.

CVSS

Puntuación base
4.3
Versión
2.0
Vector
AV:N/AC:M/Au:N/C:P/I:N/A:N

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
4.21 %
Percentil entre todas las CVEs puntuadas
91
Fecha de la puntuación
22/10/2026

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).

Tecnologías afectadas (1)

PHP — PHP

CWE

Referencias

Mostrar las 20 referencias

JSON original (NVD)

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{
  "id": "CVE-2011-3189",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-08-25T14:22:48.023",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://osvdb.org/74726",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/45678",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://support.apple.com/kb/HT5130",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/08/23/4",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.php.net/ChangeLog-5.php#5.3.8",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.php.net/archive/2011.php#id2011-08-23-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugs.gentoo.org/show_bug.cgi?id=380261",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugs.php.net/bug.php?id=55439",
      "tags": [
        "Exploit"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69429",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/74726",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/45678",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/kb/HT5130",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/08/23/4",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php.net/ChangeLog-5.php#5.3.8",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.php.net/archive/2011.php#id2011-08-23-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.gentoo.org/show_bug.cgi?id=380261",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.php.net/bug.php?id=55439",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69429",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The crypt function in PHP 5.3.7, when the MD5 hash type is used, returns the value of the salt argument instead of the hashed string, which might allow remote attackers to bypass authentication via an arbitrary password, a different vulnerability than CVE-2011-2483."
    },
    {
      "lang": "es",
      "value": "La función de cifrado en PHP v5.3.7, cuando el tipo de hash MD5 se utiliza, se devuelve el valor del argumento en vez de la cadena hash, lo que podría permitir a atacantes remotos evitar la autenticación a través de una contraseña arbitraria, una vulnerabilidad diferente a CVE-2011-2483."
    }
  ],
  "lastModified": "2026-06-16T23:32:50.030",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:5.3.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ACDF768D-7F5A-4042-B7DD-398F65F3F094"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}