CVE-2021-36689

medium

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.

References

https://vrls.ws/posts/2021/08/samourai-wallet-bitcoin-pin-authentication-bypass-crypto/

https://code.samourai.io/wallet/samourai-wallet-android/-/blob/develop/app/src/main/java/com/samourai/wallet/PinEntryActivity.java#L302

Details

Source: Mitre, NVD

Published: 2023-03-04

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.0003