{"id":"CVE-2017-12842","aliases":["EUVD-2017-4379","GHSA-v55p-4chq-6grj"],"status":"published","title":"Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment...","description":"Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment to a victim who uses an SPV wallet, even if that payment did not actually occur. Completing the attack would cost more than a million dollars, and is relevant mainly only in situations where an autonomous system relies solely on an SPV proof for transactions of a greater dollar amount.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02218,"percentile":0.82787,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-03-16T19:42:50Z","modified":"2026-10-24T10:30:22Z","products":[{"vendor":"bitcoin","product":"bitcoin_core"}],"references":[{"url":"https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://bitslog.wordpress.com/2018/06/09/leaf-node-weakness-in-bitcoin-merkle-tree-design/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-February/016697.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-12842"},{"url":"https://github.com/advisories/GHSA-v55p-4chq-6grj"}],"sources":{"cve":[{"id":"CVE-2017-12842","description":"Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment to a victim who uses an SPV wallet, even if that payment did not actually occur. Completing the attack would cost more than a million dollars, and is relevant mainly only in situations where an autonomous system relies solely on an SPV proof for transactions of a greater dollar amount.","status":"published","published":"2020-03-16T19:42:50Z","modified":"2024-08-05T18:51:06.183Z","updated_at":"2026-11-02T14:33:17.59533Z"}],"euvd":[{"id":"EUVD-2017-4379","description":"Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment to a victim who uses an SPV wallet, even if that payment did not actually occur. Completing the attack would cost more than a million dollars, and is relevant mainly only in situations where an autonomous system relies solely on an SPV proof for transactions of a greater dollar amount.","status":"published","published":"2020-03-16T19:42:50Z","modified":"2024-08-05T18:51:06Z","updated_at":"2026-11-03T02:23:20.155596Z"}],"ghsa":[{"id":"GHSA-v55p-4chq-6grj","title":"Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment...","description":"Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment to a victim who uses an SPV wallet, even if that payment did not actually occur. Completing the attack would cost more than a million dollars, and is relevant mainly only in situations where an autonomous system relies solely on an SPV proof for transactions of a greater dollar amount.","status":"published","published":"2022-05-24T17:11:32Z","modified":"2023-01-29T05:01:43Z","updated_at":"2026-11-02T14:44:53.993473Z"}],"nvd":[{"id":"CVE-2017-12842","description":"Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment to a victim who uses an SPV wallet, even if that payment did not actually occur. Completing the attack would cost more than a million dollars, and is relevant mainly only in situations where an autonomous system relies solely on an SPV proof for transactions of a greater dollar amount.","status":"published","published":"2020-03-16T20:15:12.423Z","modified":"2026-06-17T01:04:00.873Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:20.074898Z"}],"osv":[{"id":"CVE-2017-12842","description":"Bitcoin Core before 0.14 allows an attacker to create an ostensibly valid SPV proof for a payment to a victim who uses an SPV wallet, even if that payment did not actually occur. Completing the attack would cost more than a million dollars, and is relevant mainly only in situations where an autonomous system relies solely on an SPV proof for transactions of a greater dollar amount.","status":"published","published":"2020-03-16T20:15:12.423Z","modified":"2026-10-24T10:30:22.724934195Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:04.159616Z"}]}}