CVE-2019-18672

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Insufficient checks in the finite state machine of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow a partial reset of cryptographic secrets to known values via crafted messages. Notably, this breaks the security of U2F for new server registrations and invalidates existing registrations. This vulnerability can be exploited by unauthenticated attackers and the interface is reachable via WebUSB.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-354

Affected software

No affected versions have been published.

Timeline

Published: Dec 6, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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