CVE-2007-4995

Estado: ModificadaAlta (9.3)—
Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors.
CVSS

Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Puntuación base: 9.3
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 11%
Percentil entre todas las CVEs puntuadas: 96
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)

Openssl — Openssl
CWE

CWE-189
Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2007-4995",
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        "cvssData": {
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          "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": true,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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          "versions": [
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  "published": "2007-10-13T01:17:00.000",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Un error por un paso en la implementación de DTLS en OpenSSL versiones 0.9.8 anteriores a 0.9.8f, permite a atacantes remotos ejecutar código arbitrario por medio de vectores no especificados."
    }
  ],
  "lastModified": "2026-06-16T22:45:14.687",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8A4E446D-B9D3-45F2-9722-B41FA14A6C31"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AF4EA988-FC80-4170-8933-7C6663731981"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "64F8F53B-24A1-4877-B16E-F1917C4E4E81"
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            {
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              "vulnerable": true,
              "matchCriteriaId": "75D3ACD5-905F-42BB-BE1A-8382E9D823BF"
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              "vulnerable": true,
              "matchCriteriaId": "766EA6F2-7FA4-4713-9859-9971CCD2FDCB"
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              "vulnerable": true,
              "matchCriteriaId": "EFBC30B7-627D-48DC-8EF0-AE8FA0C6EDBA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "This issue did not affect the versions of OpenSSL as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.  An update to correct this issue for Enterprise Linux 5 is available.\nhttp://rhn.redhat.com/cve/CVE-2007-4995.html\n\nPlease note that the CVE description is incorrect, this issue did not affect upstream versions of OpenSSL prior to 0.9.8.",
      "lastModified": "2007-10-24T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}