{ "id": "CVE-2020-4821", "sourceIdentifier": "psirt@us.ibm.com", "published": "2021-07-16T17:15:11.993", "lastModified": "2021-07-29T18:04:36.960", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "IBM InfoSphere Data Replication 11.4 and IBM InfoSphere Change Data Capture for z/OS 10.2.1, under certain configurations, could allow a user to bypass authentication mechanisms using an empty password string. IBM X-Force ID: 189834" }, { "lang": "es", "value": "IBM InfoSphere Data Replication versi\u00f3n 11.4 e IBM InfoSphere Change Data Capture para z/OS versi\u00f3n 10.2.1, bajo determinadas configuraciones, podr\u00edan permitir a un usuario omitir los mecanismos de autenticaci\u00f3n usando una cadena de contrase\u00f1a vac\u00eda. IBM X-Force ID: 189834" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ], "cvssMetricV30": [ { "source": "psirt@us.ibm.com", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.2, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 6.8 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-287" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:ibm:infosphere_data_replication:11.4:*:*:*:*:*:*:*", "matchCriteriaId": "B16C5AF3-22C8-4052-B75C-CD7F9A76A5A6" }, { "vulnerable": true, "criteria": "cpe:2.3:a:ibm:infosphere_data_replication:11.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "9582D58B-E795-49AE-A998-67FA889AC409" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:ibm:infosphere_change_data_capture:10.2.1:*:*:*:*:z\\/os:*:*", "matchCriteriaId": "20AB390B-373E-435E-A7DD-BA328555E894" }, { "vulnerable": true, "criteria": "cpe:2.3:a:ibm:infosphere_change_data_capture:11.3.3:*:*:*:*:z\\/os:*:*", "matchCriteriaId": "C4A5A0F4-AB96-46EF-B483-011050C2E758" }, { "vulnerable": true, "criteria": "cpe:2.3:a:ibm:infosphere_change_data_capture:11.4:*:*:*:*:z\\/os:*:*", "matchCriteriaId": "F58F4D26-9A07-4B02-85B4-93A2640F1974" } ] } ] } ], "references": [ { "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/189834", "source": "psirt@us.ibm.com", "tags": [ "VDB Entry", "Vendor Advisory" ] }, { "url": "https://www.ibm.com/support/pages/node/6472909", "source": "psirt@us.ibm.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://www.ibm.com/support/pages/node/6472911", "source": "psirt@us.ibm.com", "tags": [ "Patch", "Vendor Advisory" ] } ] }