CVE-2023-7346

MEDIUM 4.0

Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript

CVSS Score

4.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-682
Vendor	ledger
Product	ledger bitcoin app
Published	May 20, 2026
Last Updated	May 20, 2026

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CVSS v3 Breakdown

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

Attack Vector

Physical

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Affected Versions

Ledger / Ledger Bitcoin app

2.1.0 2.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

donjon.ledger.com: https://donjon.ledger.com/lsb/019/ vulncheck.com: https://www.vulncheck.com/advisories/ledger-bitcoin-app-address-derivation-error-via-miniscript

Credits

Kevin Loaec Antoine Poinsot VulnCheck