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CVE-2011-2940

Estado: ModificadaAlta (9.3)—

stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

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 (1)

Stunnel — Stunnel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-2940",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "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": "2011-08-25T14:22:47.303",
  "references": [
    {
      "url": "http://secunia.com/advisories/45705",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://securitytracker.com/id?1025959",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://stunnel.org/?page=sdf_ChangeLog",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/08/19/18",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/08/19/6",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.osvdb.org/74600",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/49254",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.stunnel.org/pipermail/stunnel-announce/2011-August/000059.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=732068",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69318",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/45705",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securitytracker.com/id?1025959",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://stunnel.org/?page=sdf_ChangeLog",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/08/19/18",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/08/19/6",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/74600",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/49254",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.stunnel.org/pipermail/stunnel-announce/2011-August/000059.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=732068",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69318",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "stunnel v4.40 y v4.41 permite a atacantes remotos ejecutar código de su elección o provocar una denegación de servicio (corrupción de memoria dinámica) a través de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-16T23:32:17.753",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:4.40:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D8E83FE3-B2C1-4DDB-8BD4-48A1DCD25496"
            },
            {
              "criteria": "cpe:2.3:a:stunnel:stunnel:4.41:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F82A3BF-F540-4C6B-846F-4E614849EDC8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}