CVE-2011-1407

Estado: ModificadaAlta (7.5)—

The DKIM implementation in Exim 4.7x before 4.76 permits matching for DKIM identities to apply to lookup items, instead of only strings, which allows remote attackers to execute arbitrary code or access a filesystem via a crafted identity.

CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.80%
Percentil entre todas las CVEs puntuadas: 90
Fecha de la puntuación: 7/10/2026

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)

Exim — Exim

CWE

CWE-20

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2011-1407",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "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": "2011-05-16T18:55:00.730",
  "references": [
    {
      "url": "http://www.debian.org/security/2011/dsa-2236",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/47836",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1135-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.exim.org/lurker/message/20110509.091632.daed0206.en.html",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.exim.org/lurker/message/20110512.102909.8136175a.en.html",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2011/dsa-2236",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/47836",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1135-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.exim.org/lurker/message/20110509.091632.daed0206.en.html",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.exim.org/lurker/message/20110512.102909.8136175a.en.html",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The DKIM implementation in Exim 4.7x before 4.76 permits matching for DKIM identities to apply to lookup items, instead of only strings, which allows remote attackers to execute arbitrary code or access a filesystem via a crafted identity."
    },
    {
      "lang": "es",
      "value": "La implementación de DKIM en Exim v4.7x con anterioridad a v4.76 permite la comparación de las identidades DKIM para aplicar a las operaciones de búsqueda artículos, en lugar de sólo cadenas, que permite a atacantes remotos ejecutar código arbitrario o acceso a un sistema de ficheros a través de una identidad manipulada."
    }
  ],
  "lastModified": "2026-06-16T23:29:17.417",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:exim:exim:4.70:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "452E9C94-B7FF-40A9-A7F9-FC38824F6135"
            },
            {
              "criteria": "cpe:2.3:a:exim:exim:4.71:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A8EB3709-D51F-46D1-99B8-CFB4C2275077"
            },
            {
              "criteria": "cpe:2.3:a:exim:exim:4.72:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CBDB2156-072B-4392-9DC8-266FF1B8C7A4"
            },
            {
              "criteria": "cpe:2.3:a:exim:exim:4.73:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02F8A053-4578-4C45-A193-C188E45ED010"
            },
            {
              "criteria": "cpe:2.3:a:exim:exim:4.74:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A5DC11D6-F67F-40A8-B8BF-2E76DD2F9091"
            },
            {
              "criteria": "cpe:2.3:a:exim:exim:4.75:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5854CAF2-1587-4B91-9F9B-E2C57C22C426"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}