{"cve":{"cve_id":"CVE-2021-2464","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":0.00334,"epss_percentile":0.25146,"epss_as_of":"2026-10-15","description":"Vulnerability in Oracle Linux (component: OSwatcher). Supported versions that are affected are 7 and 8. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Linux executes to compromise Oracle Linux. Successful attacks of this vulnerability can result in takeover of Oracle Linux. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","published_at":"2021-09-24T18:55:08Z","last_modified_at":null,"cvss_v3_score":7.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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":"total","cwes":null,"nvd_references":["https://linux.oracle.com/errata/ELSA-2021-9444.html","https://www.oracle.com/security-alerts/cpuapr2022.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":"2026-06-28T23:15:11.874731Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"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":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"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-linux","product_name":"Oracle Linux","version_start":"7","version_start_inclusive":true,"version_end":"7","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-linux:7:7"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"oracle-linux","product_name":"Oracle Linux","version_start":"8","version_start_inclusive":true,"version_end":"8","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:oracle-linux:8:8"}],"exploit_refs":[],"news":[],"references":[{"url":"https://linux.oracle.com/errata/ELSA-2021-9444.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2021-09-24T18:55:08Z","label":"CVE published","source":null},{"type":"ssvc_changed","at":"2026-06-24T00:31:42.220317Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:42.220317Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:42.220317Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:42.220317Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:42.220317Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:42.220317Z","label":"CVSS score revised","source":"vulnrichment"}]}