{"id":"CVE-2018-20587","aliases":["EUVD-2018-13140","GHSA-rr2v-hv85-27hv","openSUSE-SU-2026:11073-1","openSUSE-SU-2026:21149-1"],"status":"published","title":"Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1...","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.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00352,"percentile":0.29064,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2019-02-11T12:00:00Z","modified":"2026-10-24T10:30:46Z","affected":[{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"bitcoin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"31.0-2.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"bitcoin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"27.1-bp160.2.1"}]}],"bundled":6}],"products":[{"vendor":"bitcoin","product":"bitcoin_core"},{"vendor":"bitcoinknots","product":"bitcoin_knots"}],"references":[{"url":"https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-20587","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://medium.com/%40lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b","tags":["x_refsource_MISC","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20587"},{"url":"https://medium.com/@lukedashjr/cve-2018-20587-advisory-and-full-disclosure-a3105551e78b"},{"url":"https://github.com/advisories/GHSA-rr2v-hv85-27hv"},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20587","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-15947","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14198","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-37192","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-35202","tags":["web"]},{"url":"https://bugzilla.suse.com/1125092","tags":["report"]},{"url":"https://bugzilla.suse.com/1149711","tags":["report"]},{"url":"https://bugzilla.suse.com/1181784","tags":["report"]},{"url":"https://bugzilla.suse.com/1181786","tags":["report"]},{"url":"https://bugzilla.suse.com/1217678","tags":["report"]},{"url":"https://bugzilla.suse.com/1231507","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3195","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-20587","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.","status":"published","published":"2019-02-11T12:00:00Z","modified":"2024-08-05T12:05:17.687Z","updated_at":"2026-11-02T14:34:59.872731Z"}],"euvd":[{"id":"EUVD-2018-13140","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.","status":"published","published":"2019-02-11T12:00:00Z","modified":"2024-08-05T12:05:17Z","updated_at":"2026-11-03T02:39:30.323824Z"}],"ghsa":[{"id":"GHSA-rr2v-hv85-27hv","title":"Bitcoin Core 0.12.0 through 0.17.1 and Bitcoin Knots 0.12.0 through 0.17.x before 0.17.1...","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.","status":"published","published":"2022-05-13T01:51:05Z","modified":"2023-02-02T05:01:55Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T14:51:17.99492Z"}],"nvd":[{"id":"CVE-2018-20587","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.","status":"published","published":"2019-02-11T12:29:00.25Z","modified":"2026-06-17T01:53:08.23Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:04:53.728218Z"}],"osv":[{"id":"CVE-2018-20587","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.","status":"published","published":"2019-02-11T12:29:00.25Z","modified":"2026-10-24T10:30:46.161277545Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:09.145458Z"},{"id":"openSUSE-SU-2026:11073-1","title":"bitcoin-qt6-31.0-2.1 on GA media","description":"These are all security issues fixed in the bitcoin-qt6-31.0-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-22T00:00:00Z","modified":"2026-06-24T09:00:18.748866048Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:21149-1","title":"Security update for bitcoin","description":"This update for bitcoin fixes the following issues:\n\nChanges in bitcoin:\n\n- Reference the tracking bugs for CVEs already fixed in current bitcoin\n  (the affected versions all predate the shipped release):\n  * CVE-2018-20587 (boo#1125092)\n  * CVE-2019-15947 (boo#1149711)\n  * CVE-2020-14198 (boo#1181786)\n  * CVE-2021-3195 (boo#1181784)\n  * CVE-2023-37192 (boo#1217678)\n  * CVE-2024-35202 (boo#1231507)\n","status":"published","published":"2026-06-23T12:48:21Z","modified":"2026-06-30T18:24:45.556135363Z","updated_at":"2026-11-02T16:58:41.885092Z"}]}}