CVE-2023-7346

Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript

MEDIUM
4
CVSS Score
Published: May 20, 2026 at 02:13 PM UTC
Updated: July 23, 2026 at 07:31 PM UTC
2 products affected across 2 vendorsLedgerBitcoin App

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Severity
MEDIUM4
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 2.1.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4MEDIUMVulnCheck
Attack Vector
PHYSICAL
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-682

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