What is CVE-2020-6861?

CVE-2020-6861 is a medium-severity vulnerability in Ledger Monero, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.5/10. Published 2020-05-06.

How severe is CVE-2020-6861?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2020-6861 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Ledger Monero

CVE-2020-6861

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.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.004 (36.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Exploit, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-6861?: CVE-2020-6861 is a medium-severity vulnerability in Ledger Monero, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.5/10. Published 2020-05-06.
How severe is CVE-2020-6861?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-6861 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.