CVE-2021-38299

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.35%
Third-Party Advisory github.com Third-Party Advisory fzi.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/web-auth/webauthn-framework/releases third party advisory release notes
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2021-1-fehlende-ueberpruefung-von-user-presence-in-webauthn-framework/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-38299?
CVE-2021-38299 has been scored as a critical severity vulnerability.
How to fix CVE-2021-38299?
To fix CVE-2021-38299, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-38299 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-38299 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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