CVE-2018-13204

Estado: ModificadaAlta (7.5)—
Gravedad7.5Alta · CVSS 3.0
Probabilidad de explotación0.99 %mayor que el 62 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

La función sell de una implementación de contrato inteligente para ETHERCASH (ETC), un token de Ethereum, tiene un desbordamiento de enteros por el cual "amount * sellPrice" puede ser cero, lo que reduce los activos de un vendedor.

CVSS

Puntuación base
7.5
Versión
3.0
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.99 %
Percentil entre todas las CVEs puntuadas
62
Fecha de la puntuación
24/10/2026

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)

CWE

Referencias

Mostrar las 4 referencias

JSON original (NVD)

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{
  "id": "CVE-2018-13204",
  "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:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-07-05T02:29:02.667",
  "references": [
    {
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/sell%20integer%20overflow.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/tree/master/ETHERCASH",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/sell%20integer%20overflow.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/BlockChainsSecurity/EtherTokens/tree/master/ETHERCASH",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The sell function of a smart contract implementation for ETHERCASH (ETC), an Ethereum token, has an integer overflow in which \"amount * sellPrice\" can be zero, consequently reducing a seller's assets."
    },
    {
      "lang": "es",
      "value": "La función sell de una implementación de contrato inteligente para ETHERCASH (ETC), un token de Ethereum, tiene un desbordamiento de enteros por el cual \"amount * sellPrice\" puede ser cero, lo que reduce los activos de un vendedor."
    }
  ],
  "lastModified": "2026-06-17T01:39:01.897",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ethercash:ethercash:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A6E7AC33-9FD0-4DC1-82F4-9DEFBA60E0F0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}