CVE-2021-2173

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Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having DBA Level Account privilege with network access via Oracle Net to compromise Recovery. While the vulnerability is in Recovery, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Recovery accessible data. CVSS 3.1 Base Score 4.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N)."}, {"lang": "es", "value": "Una vulnerabilidad en el componente Recovery de Oracle Database Server. Las versiones compatibles que est\u00e1n afectadas son 12.1.0.2, 12.2.0.1, 18c y 19c. La vulnerabilidad f\u00e1cilmente explotable permite a un atacante muy privilegiado que tenga privilegios DBA Level Account con acceso a la red por medio de Oracle Net comprometer a Recovery. Aunque la vulnerabilidad est\u00e1 en Recovery, los ataques pueden afectar significativamente a productos adicionales. Los ataques con \u00e9xito de esta vulnerabilidad pueden resultar en el acceso de lectura no autorizado a un subconjunto de datos accesibles de Recovery. CVSS 3.1 Puntuaci\u00f3n Base 4.1 (Impactos en la Confidencialidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N)"}], "id": "CVE-2021-2173", "lastModified": "2026-06-17T03:48:57.920", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 1.4, "source": "secalert_us@oracle.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-2173", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-26T17:53:07.479286Z", "version": "2.0.3"}}]}, "published": "2021-04-22T22:15:13.327", "references": [{"source": "secalert_us@oracle.com", "url": "http://packetstormsecurity.com/files/171344/Oracle-DB-Broken-PDB-Isolation-Metadata-Exposure.html"}, {"source": "secalert_us@oracle.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/emad-almousa/CVE-2021-2173"}, {"source": "secalert_us@oracle.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/171344/Oracle-DB-Broken-PDB-Isolation-Metadata-Exposure.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/emad-almousa/CVE-2021-2173"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2021.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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