{"id":"CVE-2021-3632","details":"A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.","aliases":["GHSA-qpq9-jpv4-6gwr"],"modified":"2026-08-07T16:57:26.470404Z","published":"2022-08-26T16:15:09.110Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.4"},{"fixed":"7.4.9"}],"source":"CPE_RANGE","vendor_product":"redhat:single_sign-on"},{"cpes":["cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING","vendor_product":"redhat:single_sign-on"}]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2021-3632"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1978196"},{"type":"REPORT","url":"https://issues.redhat.com/browse/KEYCLOAK-18500"},{"type":"FIX","url":"https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4"},{"type":"FIX","url":"https://github.com/keycloak/keycloak/pull/8203"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/keycloak/keycloak","events":[{"introduced":"0"},{"fixed":"843566019e09d15fa0e4778356463bc9a430e965"},{"fixed":"65480cb5a11630909c086f79d396004499fbd1e4"}],"database_specific":{"cpe":"cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"15.1.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["2.4.0.Test","1.3.0.Final","1.1.0.Beta2","1.0.0.Final","1.0-final","1.0-rc-1","1.0-beta-4","1.0-beta-2","1.0-beta-1","1.0-alpha-3","1.0-alpha-2","1.0-alpha-1","1.0-alpha-1-12062013"],"database_specific":{"vanir_signatures_modified":"2026-08-07T16:57:26Z","vanir_signatures":[{"target":{"file":"services/src/main/java/org/keycloak/authentication/authenticators/browser/WebAuthnPasswordlessAuthenticatorFactory.java"},"deprecated":false,"digest":{"line_hashes":["118702147000229535284737376204798166263","322578119483772270387982475281248716305"],"threshold":0.9},"id":"CVE-2021-3632-5fbb4664","signature_type":"Line","signature_version":"v1","source":"https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3632.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}