# CVE-2023-7346

## Summary

- **CVE ID:** CVE-2023-7346
- **Severity:** MEDIUM
- **CVSS Score:** 4.1 (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)
- **CWE:** CWE-682
- **Published:** May 20, 2026
- **Last Modified:** Aug 14, 2026

## 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 Products

- Ledger — Ledger Bitcoin app (2.1.0)
- Ledger — Ledger Bitcoin app (2.1.1)
- Ledger — Ledger Bitcoin app (2.1.2)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.14%
- **EPSS Percentile:** 3.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._