{"id":"CVE-2021-36689","aliases":["EUVD-2021-23284","GHSA-j77q-57r3-74g7"],"status":"published","title":"An issue discovered in com.samourai.wallet.PinEntryActivity.java in Streetside Samourai Wallet 0...","description":"An issue discovered in com.samourai.wallet.PinEntryActivity.java in Streetside Samourai Wallet 0.99.96i allows attackers to view sensitive information and decrypt data via a brute force attack that uses a recovered samourai.dat file. The PIN is 5 to 8 digits, which may be insufficient in this situation.","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":"2026-11-11","score":0.00299,"percentile":0.2286,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-521"],"published":"2023-03-03T00:00:00Z","modified":"2026-06-17T03:59:00Z","products":[{"vendor":"samourai-wallet-android_project","product":"samourai-wallet-android"}],"references":[{"url":"https://code.samourai.io/wallet/samourai-wallet-android/-/blob/develop/app/src/main/java/com/samourai/wallet/PinEntryActivity.java#L302","tags":["x_transferred","Third Party Advisory"]},{"url":"https://vrls.ws/posts/2021/08/samourai-wallet-bitcoin-pin-authentication-bypass-crypto/","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36689"},{"url":"https://github.com/advisories/GHSA-j77q-57r3-74g7"}],"sources":{"cve":[{"id":"CVE-2021-36689","description":"An issue discovered in com.samourai.wallet.PinEntryActivity.java in Streetside Samourai Wallet 0.99.96i allows attackers to view sensitive information and decrypt data via a brute force attack that uses a recovered samourai.dat file. The PIN is 5 to 8 digits, which may be insufficient in this situation.","status":"published","published":"2023-03-03T00:00:00Z","modified":"2025-03-07T17:21:33.795Z","updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-23284","description":"An issue discovered in com.samourai.wallet.PinEntryActivity.java in Streetside Samourai Wallet 0.99.96i allows attackers to view sensitive information and decrypt data via a brute force attack that uses a recovered samourai.dat file. The PIN is 5 to 8 digits, which may be insufficient in this situation.","status":"published","published":"2023-03-03T00:00:00Z","modified":"2025-03-07T17:21:33Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"none"}],"updated_at":"2026-11-02T20:53:10.661676Z"}],"ghsa":[{"id":"GHSA-j77q-57r3-74g7","title":"An issue discovered in com.samourai.wallet.PinEntryActivity.java in Streetside Samourai Wallet 0...","description":"An issue discovered in com.samourai.wallet.PinEntryActivity.java in Streetside Samourai Wallet 0.99.96i allows attackers to view sensitive information and decrypt data via a brute force attack that uses a recovered samourai.dat file. The PIN is 5 to 8 digits, which may be insufficient in this situation.","status":"published","published":"2023-03-04T00:30:16Z","modified":"2023-03-18T05:03:46Z","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"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:54:21.862765Z"}],"nvd":[{"id":"CVE-2021-36689","description":"An issue discovered in com.samourai.wallet.PinEntryActivity.java in Streetside Samourai Wallet 0.99.96i allows attackers to view sensitive information and decrypt data via a brute force attack that uses a recovered samourai.dat file. The PIN is 5 to 8 digits, which may be insufficient in this situation.","status":"published","published":"2023-03-04T00:15:15.273Z","modified":"2026-06-17T03:59:00.3Z","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"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:07:07.323379Z"}]}}