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CVE-2002-0852

Estado: ModificadaMedia (5)—

Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads.

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)

Cisco — VPN Client

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2002-0852",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "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": "2002-09-05T04:00:00.000",
  "references": [
    {
      "url": "http://www.cisco.com/warp/public/707/vpnclient-multiple-vuln-pub.shtml",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cisco.com/warp/public/707/vpnclient-multiple-vuln-pub.shtml",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "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 Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en Cliente de Red Privada Virtual (VPN) de Cisco 3.5.4 y anteriores permite a atacantes remotos causar una denegación de servicio mediante\r\nun Intecambio de Clave de Intenet (Internet Key Exchange - IKE) con un contenido útil (payload) de una Índice de Parámetro de Seguridad (Security Parameter Index - SQI) largo, o\r\nun paquete IKE con un número grande de contenidos útiles válidos."
    }
  ],
  "lastModified": "2026-06-16T21:58:15.987",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cisco:vpn_client:3.5.1:*:linux:*:*:*:*:*",
              "vulnerable": true,
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "3FB66EB9-9FE9-4B13-9E5F-E9DEDCD0E3C3"
            },
            {
              "criteria": "cpe:2.3:a:cisco:vpn_client:3.5.1:*:solaris:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "88EB557F-33CD-40FE-B470-04F93CB2F3E3"
            },
            {
              "criteria": "cpe:2.3:a:cisco:vpn_client:3.5.1:*:windows:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "59938F7D-5F64-4FC0-A5B2-C798AF297130"
            },
            {
              "criteria": "cpe:2.3:a:cisco:vpn_client:3.5.2:*:linux:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F2EEB23E-4592-49A1-BDC6-110580340AAD"
            },
            {
              "criteria": "cpe:2.3:a:cisco:vpn_client:3.5.2:*:mac_os_x:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D548CEFE-1970-42D3-9039-196A3B5F5D0B"
            },
            {
              "criteria": "cpe:2.3:a:cisco:vpn_client:3.5.2:*:solaris:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2D4BDB9B-99D8-42B7-8D57-2B57029220F1"
            },
            {
              "criteria": "cpe:2.3:a:cisco:vpn_client:3.5.2:*:windows:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2288FB91-4607-417D-8658-E1B8090BE40A"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}