What is CVE-2021-38299?

CVE-2021-38299 is a critical-severity vulnerability in Spomky-Labs Webauthn Framwork, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-09-27.

How severe is CVE-2021-38299?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Spomky-Labs Webauthn Framwork

CVE-2021-38299

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.

Vulnerability class: Broken Authentication

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Spomky-labs Webauthn_framwork
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-38299?: CVE-2021-38299 is a critical-severity vulnerability in Spomky-Labs Webauthn Framwork, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-09-27.
How severe is CVE-2021-38299?: Critical severity. CVSS v3 base score is 9.8 out of 10.