SEPTEMBER 19, 2026
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Case File

CVE-2019-18671

CRITICAL · CVSS 9.8 EPSS 3.27% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-12-06 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution
GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-18671
Severity
CRITICAL
CVSS
9.8
EPSS
3.27%

Original NVD Description

Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow out-of-bounds writes in the .bss segment via crafted messages. The vulnerability could allow code execution or other forms of impact. It can be triggered by unauthenticated attackers and the interface is reachable via WebUSB.

Related CVEs

Other vulnerabilities affecting the same vendor(s)