What’s Vulnerable › Vulnerabilities

CVE-2020-6861

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-06 · updated 2026-06-17
• Weakness: CWE-327

Description

A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.

Affected products

• Ledger Monero: before 1.5.1 — fixed in 1.5.1

How to fix

Upgrade to a fixed version: Ledger Monero 1.5.1. Check the vendor advisory for mitigations.

References

• https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html
• https://donjon.ledger.com/lsb/008/
• https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html
• https://donjon.ledger.com/lsb/008/

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