CVE-2026-47040

{"id": "CVE-2026-47040", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47040", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-23T15:36:36.852864Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert_us@oracle.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "secalert_us@oracle.com", "affectedData": [{"vendor": "Oracle Corporation", "product": "Oracle Net Services", "versions": [{"status": "affected", "version": "19.3", "versionType": "custom", "lessThanOrEqual": "19.31"}, {"status": "affected", "version": "21.3", "versionType": "custom", "lessThanOrEqual": "21.22"}, {"status": "affected", "version": "23.4.0", "versionType": "custom", "lessThanOrEqual": "23.26.2"}]}]}], "published": "2026-07-21T22:17:09.667", "references": [{"url": "https://www.oracle.com/security-alerts/cpujul2026.html", "tags": ["Vendor Advisory"], "source": "secalert_us@oracle.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Net Services accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 9.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)."}, {"lang": "es", "value": "Vulnerabilidad en el componente Oracle Net Services de Oracle Database Server. Versiones compatibles que est\u00e1n afectadas son 19.3-19.31, 21.3-21.22 y 23.4.0-23.26.2. Vulnerabilidad f\u00e1cilmente explotable permite a un atacante no autenticado con acceso de red a trav\u00e9s de Oracle Net comprometer Oracle Net Services. Ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado a datos cr\u00edticos o acceso completo a todos los datos accesibles de Oracle Net Services y capacidad no autorizada de causar un cuelgue o una ca\u00edda frecuentemente repetible (DoS completo) de Oracle Net Services. Puntuaci\u00f3n Base CVSS 3.1 de 9.1 (Impactos en Confidencialidad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)."}], "lastModified": "2026-10-24T19:10:00.127", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E3926BE-F763-4D59-9071-9DBC18E29F8F", "versionEndIncluding": "19.31", "versionStartIncluding": "19.3"}, {"criteria": "cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9766EF97-7FDA-45A4-B271-48598FCCC365", "versionEndIncluding": "21.22", "versionStartIncluding": "21.3"}, {"criteria": "cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4751249-4629-4B55-B20C-65F443E83427", "versionEndIncluding": "23.26.2", "versionStartIncluding": "23.4"}], "operator": "OR"}]}], "sourceIdentifier": "secalert_us@oracle.com"}