CVE-2002-0821

Estado: ModificadaAlta (7.5)—

Buffer overflows in Ethereal 0.9.4 and earlier allow remote attackers to cause a denial of service or execute arbitrary code via (1) the BGP dissector, or (2) the WCP dissector.

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: 2.78%
Percentil entre todas las CVEs puntuadas: 86
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)

Ethereal Group — Ethereal

CWE

NVD-CWE-Other

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2002-0821",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "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": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2002-08-12T04:00:00.000",
  "references": [
    {
      "url": "http://distro.conectiva.com/atualizacoes/?id=a&anuncio=000505",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ethereal.com/appnotes/enpa-sa-00005.html",
      "tags": [
        "Vendor Advisory",
        "URL Repurposed"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://distro.conectiva.com/atualizacoes/?id=a&anuncio=000505",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ethereal.com/appnotes/enpa-sa-00005.html",
      "tags": [
        "Vendor Advisory",
        "URL Repurposed"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflows in Ethereal 0.9.4 and earlier allow remote attackers to cause a denial of service or execute arbitrary code via (1) the BGP dissector, or (2) the WCP dissector."
    }
  ],
  "lastModified": "2026-06-16T21:58:12.020",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ethereal_group:ethereal:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1C628CEB-D129-4D98-AACD-7C0EA3F44F98",
              "versionEndIncluding": "0.9.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}