CVE-2023-7346 MEDIUM

CVE-2023-7346: Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript

Vendor Ledger
Product Ledger Bitcoin app
Weakness CWE-682
Published May 20, 2026
Last update May 20, 2026
View on NVD All CVEs

CVSS base score

4.0/10
Attack vector Physical
Attack complexity High
Privileges required None
User interaction Required
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 20, 2026 CVE published
May 20, 2026 Record updated