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CVE-2018-20587

Estado: ModificadaMedia (5.5)—

Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1.knots20181229 have Incorrect Access Control. Local users can exploit this to steal currency by binding the RPC IPv4 localhost port, and forwarding requests to the IPv6 localhost port.

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 (2)

Bitcoin — Bitcoin CoreBitcoinknots — Bitcoin Knots

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-20587",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/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": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-02-11T12:29:00.250",
  "references": [
    {
      "url": "https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-20587",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://medium.com/%40lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-20587",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://medium.com/%40lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1.knots20181229 have Incorrect Access Control. Local users can exploit this to steal currency by binding the RPC IPv4 localhost port, and forwarding requests to the IPv6 localhost port."
    },
    {
      "lang": "es",
      "value": "Bitcoin Core, desde la versión 0.12.0 hasta la 0.17.1 y Bitcoin Knots, desde la versión 0.12.0 hasta la 0.17.x antes de la 0.17.1.knots20181229 tienen un control de acceso incorrecto. Los usuarios locales pueden explotar esta vulnerabilidad para robar dinero enlazando el puerto localhost IPv4 RPC y reenviando peticiones al puerto localhost IPv6."
    }
  ],
  "lastModified": "2026-06-17T01:53:08.230",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "529F2E93-27AA-42A9-A853-BE1AFA4EFE6E",
              "versionEndIncluding": "0.17.1",
              "versionStartIncluding": "0.12.0"
            },
            {
              "criteria": "cpe:2.3:a:bitcoinknots:bitcoin_knots:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B3AD00B7-0C92-426F-8404-6C206C78BF5B",
              "versionEndIncluding": "0.17.0",
              "versionStartIncluding": "0.12.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}