Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript
Summary
| CVE | CVE-2023-7346 |
|---|---|
| State | PUBLISHED |
| Assigner | VulnCheck |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-20 16:16:23 UTC |
| Updated | 2026-05-20 17:33:05 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 4.1 MEDIUM from [email protected]
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.000160000 probability, percentile 0.038020000 (date 2026-05-27)
Problem Types: CWE-682 | CWE-682 CWE-682 Incorrect Calculation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 4.1 | MEDIUM | 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/E:X/C... |
| 4.0 | CNA | CVSS | 4.1 | MEDIUM | 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 |
| 3.1 | [email protected] | Primary | 4 | MEDIUM | CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N |
| 3.1 | CNA | CVSS | 4 | MEDIUM | CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N |
CVSS v4.0 Breakdown
Attack Vector
PhysicalAttack Complexity
HighAttack Requirements
PresentPrivileges Required
NoneUser Interaction
ActiveConfidentiality
NoneIntegrity
HighAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
PhysicalAttack Complexity
HighPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
HighAvailability
NoneCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Ledger | Ledger Bitcoin App | affected 2.1.0 semver | Not specified |
| CNA | Ledger | Ledger Bitcoin App | affected 2.1.1 semver | Not specified |
| CNA | Ledger | Ledger Bitcoin App | unaffected 2.1.2 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| donjon.ledger.com/lsb/019 | [email protected] | donjon.ledger.com | |
| www.vulncheck.com/advisories/ledger-bitcoin-app-address-derivation-error-via-mi... | [email protected] | www.vulncheck.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Kevin Loaec (en)
CNA: Antoine Poinsot (en)
CNA: VulnCheck (en)
There are currently no legacy QID mappings associated with this CVE.