CVE-2023-7346 PUBLISHED

Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript

Assigner: VulnCheck
Reserved: 20.05.2026 Published: 20.05.2026 Updated: 20.05.2026

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.

CVSS Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS Score: 4

Attack Vector	Physical	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	None

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 4.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Physical	Confidentiality	None	Confidentiality	None
Attack Complexity	High	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	Ledger
Product	Ledger Bitcoin app
Versions	Default: unaffected Version 2.1.0 is affected Version 2.1.1 is affected Version 2.1.2 is unaffected

CVE-2023-7346 PUBLISHED

Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript

Metrics

Product Status

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Problem Types