{"api_version":"1","generated_at":"2026-07-24T20:48:50+00:00","cve":"CVE-2020-4945","urls":{"html":"https://cve.report/CVE-2020-4945","api":"https://cve.report/api/cve/CVE-2020-4945.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-4945","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-4945"},"summary":{"title":"CVE-2020-4945","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.","state":"PUBLIC","assigner":"psirt@us.ibm.com","published_at":"2021-06-24 19:15:00","updated_at":"2021-09-20 18:50:00"},"problem_types":["CWE-732"],"metrics":[],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/191945","name":"ibm-db2-cve20204945-file-overwrite (191945)","refsource":"XF","tags":[],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.ibm.com/support/pages/node/6466367","name":"https://www.ibm.com/support/pages/node/6466367","refsource":"CONFIRM","tags":[],"title":"Security Bulletin:  IBM® Db2®  could allow an authenticated user to overwrite arbirary files due to improper group permissions. (CVE-2020-4945)","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://security.netapp.com/advisory/ntap-20210720-0006/","name":"https://security.netapp.com/advisory/ntap-20210720-0006/","refsource":"CONFIRM","tags":[],"title":"July 2021 IBM DB2 Vulnerabilities in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-4945","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4945","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"4945","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"ibm","cpe5":"aix","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"4945","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"db2","cpe6":"11.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"4945","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-4945","qid":"20222","title":"IBM DB2 Improper Group Permissions Vulnerability (6466367)"}]},"source_records":{"cve_program":{"description":{"description_data":[{"lang":"eng","value":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945."}]},"CVE_data_meta":{"ASSIGNER":"psirt@us.ibm.com","STATE":"PUBLIC","DATE_PUBLIC":"2021-06-23T00:00:00","ID":"CVE-2020-4945"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"DB2 for Linux and UNIX","version":{"version_data":[{"version_value":"11.5"}]}}]},"vendor_name":"IBM"}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Data Manipulation"}]}]},"references":{"reference_data":[{"url":"https://www.ibm.com/support/pages/node/6466367","refsource":"CONFIRM","name":"https://www.ibm.com/support/pages/node/6466367","title":"IBM Security Bulletin 6466367 (DB2 for Linux and UNIX)"},{"name":"ibm-db2-cve20204945-file-overwrite (191945)","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/191945","refsource":"XF","title":"X-Force Vulnerability Report"},{"refsource":"CONFIRM","name":"https://security.netapp.com/advisory/ntap-20210720-0006/","url":"https://security.netapp.com/advisory/ntap-20210720-0006/"}]},"data_type":"CVE","data_format":"MITRE","data_version":"4.0","impact":{"cvssv3":{"TM":{"RL":"O","E":"U","RC":"C"},"BM":{"A":"N","UI":"N","I":"H","AC":"L","PR":"L","SCORE":"6.500","AV":"N","C":"N","S":"U"}}}},"nvd":{"publishedDate":"2021-06-24 19:15:00","lastModifiedDate":"2021-09-20 18:50:00","problem_types":["CWE-732"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.2},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":5.5},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:ibm:db2:11.5:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"4945","Ordinal":"164973","Title":"CVE-2020-4945","CVE":"CVE-2020-4945","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"4945","Ordinal":"1","NoteData":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"4945","Ordinal":"2","NoteData":"2021-06-24","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"4945","Ordinal":"3","NoteData":"2021-07-20","Type":"Other","Title":"Modified"}]}}}