Improper Access Control in Webauthn Framework
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | web-auth/webauthn-framework | >= 3.3.0, < 3.3.4 | 3.3.4 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-38299
- https://github.com/web-auth/webauthn-framework/commit/572e239c5702667ca52487faf861abc768a46308
- https://github.com/web-auth/webauthn-framework
- https://github.com/web-auth/webauthn-framework/releases
- 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
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-863- Platform
- Composer
- Package
web-auth/webauthn-framework- Disclosed
- 29.09.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6whf-q6p5-84wg - CC BY 4.0
Vulnerability history: web-auth/webauthn-framework
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 09.2021 05.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- Medium 2
- Low 1
Disclosures per year
- 2021: 1
- 2022: 0
- 2023: 0
- 2024: 1
- 2025: 0
- 2026: 2
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Improper Access Control in Webauthn Framework this entry
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