{"cve":{"cve_id":"CVE-2020-2511","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01318,"epss_percentile":0.67089,"epss_as_of":"2026-06-23","description":"Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via OracleNet to compromise Core RDBMS. While the vulnerability is in Core RDBMS, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Core RDBMS. CVSS 3.0 Base Score 7.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).","published_at":"2020-01-15T16:33:59Z","last_modified_at":null,"cvss_v3_score":7.7,"cvss_v3_vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":null,"nvd_references":["https://www.oracle.com/security-alerts/cpujan2020.html"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:13:53.256646Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-database","product_name":"Oracle Database","version_start":"12.1.0.2","version_start_inclusive":true,"version_end":"12.1.0.2","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-database:12.1.0.2:12.1.0.2"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-database","product_name":"Oracle Database","version_start":"12.2.0.1","version_start_inclusive":true,"version_end":"12.2.0.1","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-database:12.2.0.1:12.2.0.1"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-database","product_name":"Oracle Database","version_start":"18c","version_start_inclusive":true,"version_end":"18c","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-database:18c:18c"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-database","product_name":"Oracle Database","version_start":"19c","version_start_inclusive":true,"version_end":"19c","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-database:19c:19c"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2020.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2020-01-15T16:33:59Z","label":"CVE published","source":null},{"type":"ssvc_changed","at":"2026-06-24T00:31:29.914509Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:29.914509Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:29.914509Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:29.914509Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:29.914509Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:29.914509Z","label":"CVSS score revised","source":"vulnrichment"}]}