CVE-2021-40818
- Source
- https://cve.org/CVERecord?id=CVE-2021-40818
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40818.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-40818
- Downstream
- Published
- 2021-09-08T22:15:11.383Z
- Modified
- 2026-05-16T04:03:11.546144521Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.
- References