Webauthn Framework 3.3.x before 3.3.4 has Incorrect Access Control.
Priority MEDIUM 46CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
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.
Why it matters now
EPSS 0.018 78th percentileScored 2026-11-07
Fix Fixed web-auth/webauthn-framework (Packagist): 3.3.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | web-auth/webauthn-framework (Packagist) | 3.3.0 to before 3.3.4 | 3.3.4 | Patch available | GHSA-6whf-q6p5-84wg |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- web-auth/webauthn-framework (Packagist) Vendor— Affected 3.3.0 to before 3.3.4 Fixed in 3.3.4 Patch available GHSA-6whf-q6p5-84wg
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:spomky-labs:webauthn_framework:*:*:*:*:*:*:*:* | 3.3.0 to before 3.3.4 | Vulnerable | Spomky-labs |
| cpe:2.3:a:spomky-labs:webauthn_framwork:*:*:*:*:*:*:*:* | before 3.2.9 | Vulnerable | Spomky-labs |
- cpe:2.3:a:spomky-labs:webauthn_framework:*:*:*:*:*:*:*:* Versions 3.3.0 to before 3.3.4 Vulnerable ·Spomky-labs
- cpe:2.3:a:spomky-labs:webauthn_framwork:*:*:*:*:*:*:*:* Versions before 3.2.9 Vulnerable ·Spomky-labs
Remediation
- Fix · GHSA-6whf-q6p5-84wg web-auth/webauthn-framework (Packagist) Fixed in 3.3.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-38299
- 2026-10-03 Alias added: GHSA-6whf-q6p5-84wg
References
Advisory 3
Other 4
- https://github.com/web-auth/webauthn-framework/commit/572e239c5702667ca52487faf861abc768a46308
- https://github.com/web-auth/webauthn-framework
- 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
Sources
- CVE-2021-38299 · CVE Program
- CVE-2021-38299 · NVD
- FIRST EPSS
- GHSA-6whf-q6p5-84wg · GitHub Advisory Database · CC BY 4.0
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