{"id":"CVE-2024-52921","aliases":["EUVD-2024-45971","GHSA-rxgg-vpm5-pccw"],"status":"published","title":"In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a...","description":"In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00446,"percentile":0.39244,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2024-11-18T00:00:00Z","modified":"2026-10-28T02:30:43Z","products":[{"vendor":"bitcoin","product":"bitcoin_core"}],"references":[{"url":"https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures","tags":["Third Party Advisory","web"]},{"url":"https://bitcoincore.org/en/2024/10/08/disclose-mutated-blocks-hindering-propagation/","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-52921","tags":["advisory"]},{"url":"https://bitcoincore.org/en/2024/10/08/disclose-mutated-blocks-hindering-propagation"},{"url":"https://github.com/advisories/GHSA-rxgg-vpm5-pccw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/52xxx/CVE-2024-52921.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-52921","description":"In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.","status":"published","published":"2024-11-18T00:00:00Z","modified":"2024-11-18T15:35:17.211Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:34:03.333404Z"}],"euvd":[{"id":"EUVD-2024-45971","description":"In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.","status":"published","published":"2024-11-18T00:00:00Z","modified":"2024-11-18T15:35:17Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:04:57.054288Z"}],"ghsa":[{"id":"GHSA-rxgg-vpm5-pccw","title":"In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a...","description":"In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.","status":"published","published":"2024-11-18T06:30:35Z","modified":"2024-11-18T18:32:01Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:58:53.124405Z"}],"nvd":[{"id":"CVE-2024-52921","description":"In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.","status":"published","published":"2024-11-18T04:15:05.023Z","modified":"2026-06-17T08:07:52.42Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:10:37.281254Z"}],"osv":[{"id":"CVE-2024-52921","description":"In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.","status":"published","published":"2024-11-18T00:00:00Z","modified":"2026-10-28T02:30:43.428041017Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:44.451316Z"}]}}