{"id":"CVE-2018-20587","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-20587","generatedAt":"2026-10-28T19:02:43.943Z","title":"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.","description":"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.","published":"2019-02-11T12:29:00.000Z","lastModified":"2026-06-17T01:53:08.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"cwe":[],"affected":["bitcoin/bitcoin core","bitcoinknots/bitcoin knots"],"epss":{"score":0.00352,"percentile":0.28664,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"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"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-20587","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}