CVE-2020-6861: Ledger Monero

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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)

Published 2020-05-06. Last modified 2026-06-17.