5.5
MEDIUM
CVE-2020-6861
Ledger Monero Protocol Design Flaw - Local Key Extraction
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.

INFO

Published Date :

May 6, 2020, 2:15 p.m.

Last Modified :

July 21, 2021, 11:39 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2020-6861 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-6861 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ledger monero
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-6861.

URL Resource
https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html Exploit Third Party Advisory
https://donjon.ledger.com/lsb/008/ Exploit Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 3 months, 1 week ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.

None

Updated: 7 months ago
33 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.

None

Updated: 1 year, 1 month ago
17 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1050 different CVEs too.

None

Updated: 1 month, 2 weeks ago
82 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.

PoC repository for CVE-2020-6861: Ledger Monero App Spend key Extraction

poc monero ledger spend-key vulnerability

Python Jupyter Notebook

Updated: 1 month, 3 weeks ago
4 stars 0 fork 0 watcher
Born at : Jan. 3, 2020, 6:24 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-6861 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-6861 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-200 CWE-327
  • Initial Analysis by [email protected]

    May. 12, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html No Types Assigned https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html Exploit, Third Party Advisory
    Changed Reference Type https://donjon.ledger.com/lsb/008/ No Types Assigned https://donjon.ledger.com/lsb/008/ Exploit, Vendor Advisory
    Added CWE NIST CWE-200
    Added CPE Configuration AND OR *cpe:2.3:a:ledger:monero:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1 OR cpe:2.3:h:ledger:nano_s:-:*:*:*:*:*:*:* cpe:2.3:h:ledger:nano_x:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-6861 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
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Scope
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