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CVE-2011-4350

Estado: ModificadaMedia (6.5)—

Yaws versión 1.91, presenta una vulnerabilidad de salto de directorio en la manera en que ciertas URL son procesadas. Un usuario autenticado remoto podría usar este fallo para obtener contenido de archivos locales arbitrarios mediante una petición de URL especialmente diseñada.

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).

Tecnologías afectadas (2)

Debian — Debian LinuxYaws — Yaws

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-4350",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "yaws",
          "product": "yaws",
          "versions": [
            {
              "status": "affected",
              "version": "1.91"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-11-26T05:15:14.537",
  "references": [
    {
      "url": "https://access.redhat.com/security/cve/cve-2011-4350",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=650009",
      "tags": [
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      "source": "secalert@redhat.com"
    },
    {
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      "tags": [
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        "Issue Tracking",
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      "source": "secalert@redhat.com"
    },
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      "tags": [
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      "source": "secalert@redhat.com"
    },
    {
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      "tags": [
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      "source": "secalert@redhat.com"
    },
    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=650009",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2011/11/25/7",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Yaws 1.91 has a directory traversal vulnerability in the way certain URLs are processed. A remote authenticated user could use this flaw to obtain content of arbitrary local files via specially-crafted URL request."
    },
    {
      "lang": "es",
      "value": "Yaws versión 1.91, presenta una vulnerabilidad de salto de directorio en la manera en que ciertas URL son procesadas. Un usuario autenticado remoto podría usar este fallo para obtener contenido de archivos locales arbitrarios mediante una petición de URL especialmente diseñada."
    }
  ],
  "lastModified": "2026-06-16T23:34:49.487",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:yaws:yaws:1.91:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3E4D556C-941C-479C-BB4C-87883F9AEA16"
            }
          ],
          "operator": "OR"
        }
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    {
      "nodes": [
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          "cpeMatch": [
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            },
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              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            },
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              "vulnerable": true,
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
            }
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          "operator": "OR"
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  "sourceIdentifier": "secalert@redhat.com"
}