Incorrect Access Control in Webauthn Framework 3.3.x before 3.3.4 Allows Unauthorized Login via FIDO2 Authenticator

CVE-2021-38299 · CRITICAL Severity

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

Webauthn Framework 3.3.x before 3.3.4 has Incorrect Access Control. An attacker that controls a user's system is able to login to a vulnerable service using an attached FIDO2 authenticator without passing a check of the user presence.

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