VulnerabilityModified
CVE-2021-3632
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.
HIGH 7.5EPSS 1.13%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.13% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- redhat/keycloak · redhat/single sign-on
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-3632Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1978196Issue Tracking, Vendor Advisory
- https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4Patch, Third Party Advisory
- https://github.com/keycloak/keycloak/pull/8203Issue Tracking, Patch, Third Party Advisory
- https://issues.redhat.com/browse/KEYCLOAK-18500Permissions Required, Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2021-3632Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1978196Issue Tracking, Vendor Advisory
- https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4Patch, Third Party Advisory
- https://github.com/keycloak/keycloak/pull/8203Issue Tracking, Patch, Third Party Advisory
- https://issues.redhat.com/browse/KEYCLOAK-18500Permissions Required, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.