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CVE-2021-38299

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Date: September 27, 2021

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.

Language: PHP

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2021-38299
https://github.com/web-auth/webauthn-framework/releases/tag/v3.3.4
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2021-1-fehlende-ueberpruefung-von-user-presence-in-webauthn-framework
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2021-1-fehlende-ueberpruefung-von-user-presence-in-webauthn-framework/
https://github.com/web-auth/webauthn-framework
https://github.com/web-auth/webauthn-framework/releases
https://github.com/web-auth/webauthn-framework/commit/572e239c5702667ca52487faf861abc768a46308
https://www.mend.io/vulnerability-database/CVE-2021-38299

Severity Score

Weakness Type (CWE)

Authentication Issues

CWE-287

Incorrect Authorization

CWE-863

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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