{"cve":{"cve_id":"CVE-2021-3579","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":0.00708,"epss_percentile":0.48625,"epss_as_of":"2026-06-23","description":"Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe components as used in Bitdefender Endpoint Security Tools for Windows, Total Security allows a local attacker to elevate privileges to NT AUTHORITY\\SYSTEM This issue affects: Bitdefender Endpoint Security Tools for Windows versions prior to 7.2.1.65. Bitdefender Total Security versions prior to 7.2.1.65.","published_at":"2021-10-28T13:50:14.759000Z","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":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-276"],"nvd_references":["https://www.bitdefender.com/support/security-advisories/incorrect-default-permissions-vulnerability-in-bdservicehost-exe-and-vulnerability-scan-exe-va-9848/","https://www.zerodayinitiative.com/advisories/ZDI-21-1277/"],"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":"2026-06-28T23:15:51.616068Z"},"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":"bitdefender","vendor_name":"Bitdefender","product_slug":"endpoint-security-tools-for-windows","product_name":"Endpoint Security Tools for Windows","version_start":"unspecified","version_start_inclusive":true,"version_end":"7.2.1.65","version_end_inclusive":false,"cpe23_uri":"cve5:bitdefender:endpoint-security-tools-for-windows:unspecified:7.2.1.65"},{"vendor_slug":"bitdefender","vendor_name":"Bitdefender","product_slug":"total-security","product_name":"Total Security","version_start":"unspecified","version_start_inclusive":true,"version_end":"7.2.1.65","version_end_inclusive":false,"cpe23_uri":"cve5:bitdefender:total-security:unspecified:7.2.1.65"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.bitdefender.com/support/security-advisories/incorrect-default-permissions-vulnerability-in-bdservicehost-exe-and-vulnerability-scan-exe-va-9848/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1277/","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2021-10-28T13:50:14.759000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:19:21.235572Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:19:21.235572Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:19:21.235572Z","label":"CVSS score revised","source":"cvelistv5"}]}