CVE-2020-10686

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{"affected": [{"affectedData": [{"product": "keycloak", "vendor": "Keycloak", "versions": [{"status": "affected", "version": "8.0.2"}, {"status": "affected", "version": "9.0.0"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:keycloak:8.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "FA817F68-5D0F-471B-AD91-9ABA61E30ECA", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:keycloak:9.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "0FE17579-B05B-492E-B50A-81B244156CB6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Keycloak version 8.0.2 and 9.0.0, and was fixed in Keycloak version 9.0.1, where a malicious user registers as oneself. The attacker could then use the remove devices form to post different credential IDs and possibly remove MFA devices for other users."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en Keycloak versi\u00f3n 8.0.2 y 9.0.0, y se corrigi\u00f3 en Keycloak versi\u00f3n 9.0.1, donde un usuario malicioso se registra como uno mismo. El atacante podr\u00eda luego usar el formulario de eliminar dispositivos para publicar diferentes ID de credenciales y posiblemente eliminar dispositivos MFA para otros usuarios."}], "id": "CVE-2020-10686", "lastModified": "2026-06-17T02:48:15.360", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 3.4, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-05-04T21:15:11.757", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10686"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10686"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Oliver P (SCISYS \u2013 now part of CGI) for reporting this issue.", "bugzilla": {"description": "keycloak: remove other users MFA devices", "id": "1814609", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1814609"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-285", "details": ["A flaw was found in Keycloak version 8.0.2 and 9.0.0, and was fixed in Keycloak version 9.0.1, where a malicious user registers as oneself. The attacker could then use the remove devices form to post different credential IDs and possibly remove MFA devices for other users.", "A flaw was found in Keycloak version 8.0.2 and 9.0.0, where a malicious user registers as oneself. The attacker could then use the remove devices form to post different credential IDs and possibly remove MFA devices for other users."], "name": "CVE-2020-10686", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Not affected", "package_name": "keycloak", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2020-04-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-10686\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10686"], "threat_severity": "Moderate"}

{}