Vulnerability DatabaseCVE-2023-7346
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CVE-2023-7346
Published:May 20, 2026
Updated:June 11, 2026
Ledger Bitcoin app versions 2.1.0 and 2.1.1 contain an address derivation vulnerability that allows attackers to cause incorrect Bitcoin addresses to be displayed by exploiting improper handling of miniscript policies containing the a: fragment. Attackers can craft malicious miniscript policies that cause the device to derive and display incorrect receiving addresses, potentially leading to funds being sent to unintended addresses.
Affected Packages
https://github.com/LedgerHQ/app-bitcoin-new.git (GITHUB):
Affected version(s) >=2.1.0 <2.1.2
Fix Suggestion:
Update to version 2.1.2
Related Resources (2)
https://donjon.ledger.com/lsb/019/
https://www.vulncheck.com/advisories/ledger-bitcoin-app-address-derivation-error-via-miniscript
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CVSS v4
Base Score:
4.1
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Incorrect Calculation
CWE-682
EPSS
Base Score:
0.02