CVE-2021-3632: Improper Authentication

August 26, 2022 (updated November 23, 2022)

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.

References

access.redhat.com/security/cve/CVE-2021-3632
bugzilla.redhat.com/show_bug.cgi?id=1978196
github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4
github.com/keycloak/keycloak/pull/8203
issues.redhat.com/browse/KEYCLOAK-18500
nvd.nist.gov/vuln/detail/CVE-2021-3632

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