CVE-2021-36689 — MEDIUM (5.5)

Vulnerability 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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Samourai-Wallet-Android Project	Samourai-Wallet-Android	0.99.96i

Related Weaknesses (CWE)

CWE-521

References

https://code.samourai.io/wallet/samourai-wallet-android/-/blob/develop/app/src/mThird Party Advisory
https://vrls.ws/posts/2021/08/samourai-wallet-bitcoin-pin-authentication-bypass-ExploitTechnical DescriptionThird Party Advisory
https://code.samourai.io/wallet/samourai-wallet-android/-/blob/develop/app/src/mThird Party Advisory
https://vrls.ws/posts/2021/08/samourai-wallet-bitcoin-pin-authentication-bypass-ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2021-36689?

CVE-2021-36689 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 us...

How severe is CVE-2021-36689?

CVE-2021-36689 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-36689?

Check the references section above for vendor advisories and patch information. Affected products include: Samourai-Wallet-Android Project Samourai-Wallet-Android.