CVE-2021-3632

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{"affected": [{"affectedData": [{"product": "keycloak", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in v15.1.0"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*", "matchCriteriaId": "08FEF5EB-2BDF-45E6-988A-D9B04FC9281D", "versionEndExcluding": "15.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "9EFEC7CA-8DDA-48A6-A7B6-1F1D14792890", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*", "matchCriteriaId": "4DF7CC8E-B2F2-417A-B3CB-83A4F1869891", "versionEndExcluding": "7.4.9", "versionStartIncluding": "7.4", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se ha encontrado un fallo en Keycloak. Esta vulnerabilidad permite a cualquiera registrar un nuevo dispositivo de seguridad o llave cuando no se presenta un dispositivo ya registrado para ning\u00fan usuario, al usar el flujo de inicio de sesi\u00f3n sin contrase\u00f1a de WebAuthn."}], "id": "CVE-2021-3632", "lastModified": "2026-06-17T04:05:28.567", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-26T16:15:09.110", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-3632"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1978196"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/keycloak/keycloak/pull/8203"}, {"source": "secalert@redhat.com", "tags": ["Permissions Required", "Vendor Advisory"], "url": "https://issues.redhat.com/browse/KEYCLOAK-18500"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-3632"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1978196"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/keycloak/keycloak/commit/65480cb5a11630909c086f79d396004499fbd1e4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/keycloak/keycloak/pull/8203"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Vendor Advisory"], "url": "https://issues.redhat.com/browse/KEYCLOAK-18500"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Florian Ritterhoff (University of Applied Sciences Munich) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2021:3534", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "package": "keycloak", "product_name": "Red Hat Single Sign-On 7.4.9", "release_date": "2021-09-14T00:00:00Z"}, {"advisory": "RHSA-2021:3527", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7::el6", "package": "rh-sso7-keycloak-0:9.0.15-1.redhat_00002.1.el6sso", "product_name": "Red Hat Single Sign-On 7.4 for RHEL 6", "release_date": "2021-09-14T00:00:00Z"}, {"advisory": "RHSA-2021:3528", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7::el7", "package": "rh-sso7-keycloak-0:9.0.15-1.redhat_00002.1.el7sso", "product_name": "Red Hat Single Sign-On 7.4 for RHEL 7", "release_date": "2021-09-14T00:00:00Z"}, {"advisory": "RHSA-2021:3529", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7::el8", "package": "rh-sso7-keycloak-0:9.0.15-1.redhat_00002.1.el8sso", "product_name": "Red Hat Single Sign-On 7.4 for RHEL 8", "release_date": "2021-09-14T00:00:00Z"}], "bugzilla": {"description": "keycloak: Anyone can register a new device when there is no device registered for passwordless login", "id": "1978196", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1978196"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-287", "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.", "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."], "name": "CVE-2021-3632", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:7", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat Decision Manager 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat Integration Camel K 1"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat OpenShift Application Runtimes"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat support for Spring Boot"}], "public_date": "2021-06-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-3632\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3632"], "threat_severity": "Moderate"}

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