Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript

Summary

CVECVE-2023-7346
StatePUBLISHED
AssignerVulnCheck
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-20 16:16:23 UTC
Updated2026-05-20 17:33:05 UTC
DescriptionLedger 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


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary4.1MEDIUMCVSS: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...
4.0CNACVSS4.1MEDIUMCVSS: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]Primary4MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
3.1CNACVSS4MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

CVSS v4.0 Breakdown

Attack Vector
Physical
Attack Complexity
High
Attack Requirements
Present
Privileges Required
None
User Interaction
Active
Confidentiality
None
Integrity
High
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
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

ReferenceSourceLinkTags
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)

© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report