CVE-2005-4348

Estado: ModificadaAlta (7.8)—
fetchmail before 6.3.1 and before 6.2.5.5, when configured for multidrop mode, allows remote attackers to cause a denial of service (application crash) by sending messages without headers from upstream mail servers.
CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Puntuación base: 7.8
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.64%
Percentil entre todas las CVEs puntuadas: 89
Fecha de la puntuación: 6/10/2026
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)

Fetchmail — Fetchmail
CWE

CWE-399
Referencias

JSON original (NVD)

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{
  "id": "CVE-2005-4348",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "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": "2005-12-21T00:03:00.000",
  "references": [
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      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9659",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://usn.ubuntu.com/233-1/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "fetchmail before 6.3.1 and before 6.2.5.5, when configured for multidrop mode, allows remote attackers to cause a denial of service (application crash) by sending messages without headers from upstream mail servers."
    }
  ],
  "lastModified": "2026-06-16T22:18:37.913",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fetchmail:fetchmail:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "64605C37-5FF4-4926-84BD-39041A01780B",
              "versionEndExcluding": "6.2.5.5",
              "versionStartIncluding": "6.2.0"
            },
            {
              "criteria": "cpe:2.3:a:fetchmail:fetchmail:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "54D97A80-767B-4B3E-B908-52A595AA0FA7",
              "versionEndExcluding": "6.3.1",
              "versionStartIncluding": "6.3.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "The Red Hat Security Response Team has rated this issue as having low security impact.  An update is available for Red Hat Enterprise Linux 4 to correct this issue:\nhttp://rhn.redhat.com/errata/RHSA-2007-0018.html\n\nThis issue did not affect Red Hat Enterprise Linux 2.1 and 3.",
      "lastModified": "2007-01-31T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}