CVE-2021-36689

MEDIUM

Streetside Samourai Wallet <0.99.96i - Info Disclosure

Title source: llm

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 (2)

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

[Exploit, Technical Description, Third Party Advisory] https://vrls.ws/posts/2021/08/samourai-wallet-bitcoin-pin-authentication-bypass-crypto/

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 33.5%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-521

Status published

Products (1)

samourai-wallet-android_project/samourai-wallet-android 0.99.96i

Published Mar 04, 2023

Tracked Since Feb 18, 2026