{"id":"CVE-2020-6861","aliases":["EUVD-2020-28003","GHSA-hpg2-wgv6-vgm5"],"status":"published","title":"A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S...","description":"A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00441,"percentile":0.38673,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200","CWE-327"],"published":"2020-05-06T13:15:31Z","modified":"2026-10-24T14:12:08Z","exploits":[{"source":"pocgithub","id":"ph4r05/ledger-app-monero-1.42-vuln","title":"ph4r05/ledger-app-monero-1.42-vuln","date":"2020-01-03","url":"https://github.com/ph4r05/ledger-app-monero-1.42-vuln"}],"products":[{"vendor":"ledger","product":"monero"}],"references":[{"url":"https://donjon.ledger.com/lsb/008/","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Vendor Advisory","evidence"]},{"url":"https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6861"},{"url":"https://github.com/advisories/GHSA-hpg2-wgv6-vgm5"}],"sources":{"cve":[{"id":"CVE-2020-6861","description":"A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.","status":"published","published":"2020-05-06T13:15:31Z","modified":"2024-08-04T09:11:05.166Z","updated_at":"2026-11-02T14:35:52.592504Z"}],"euvd":[{"id":"EUVD-2020-28003","description":"A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.","status":"published","published":"2020-05-06T13:15:31Z","modified":"2024-08-04T09:11:05Z","updated_at":"2026-11-03T03:08:01.566283Z"}],"ghsa":[{"id":"GHSA-hpg2-wgv6-vgm5","title":"A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S...","description":"A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.","status":"published","published":"2022-05-24T17:17:20Z","modified":"2023-01-29T05:02:27Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:45:05.725997Z"}],"nvd":[{"id":"CVE-2020-6861","description":"A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.","status":"published","published":"2020-05-06T14:15:11.083Z","modified":"2026-06-17T03:23:56.313Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:05:59.718774Z"}],"osv":[{"id":"CVE-2020-6861","description":"A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.","status":"published","published":"2020-05-06T14:15:11.083Z","modified":"2026-10-24T14:12:08.430665392Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:17.34531Z"}]}}