{"cve":{"cve_id":"CVE-2020-9934","is_kev":true,"kev_date_added":"2022-09-08","kev_vendor_project":"Apple","kev_product":"iOS, iPadOS, and macOS","kev_vulnerability_name":"Apple iOS, iPadOS, and macOS Input Validation Vulnerability","kev_short_description":"Apple iOS, iPadOS, and macOS contain an unspecified vulnerability involving input validation which can allow a local attacker to view sensitive user information.","kev_required_action":"Apply updates per vendor instructions.","kev_due_date":"2022-09-29","kev_known_ransomware":false,"kev_notes":"https://support.apple.com/en-us/HT211288, https://support.apple.com/en-us/HT211289; https://nvd.nist.gov/vuln/detail/CVE-2020-9934","kev_cwes":[],"epss_score":0.03208,"epss_percentile":0.86507,"epss_as_of":"2026-06-23","description":"An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.","published_at":"2020-10-16T16:51:05Z","last_modified_at":null,"cvss_v3_score":5.5,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":null,"nvd_references":["https://support.apple.com/HT211289","https://support.apple.com/HT211288"],"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":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-28T23:14:42.915884Z"},"effective_severity":"MEDIUM","badges":["kev"],"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":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"apple","vendor_name":"Apple","product_slug":"ios","product_name":"iOS","version_start":"unspecified","version_start_inclusive":true,"version_end":"iOS 13.6 and iPadOS 13.6","version_end_inclusive":false,"cpe23_uri":"cve5:apple:ios:unspecified:iOS 13.6 and iPadOS 13.6"},{"vendor_slug":"apple","vendor_name":"Apple","product_slug":"macos","product_name":"macOS","version_start":"unspecified","version_start_inclusive":true,"version_end":"macOS Catalina 10.15.6","version_end_inclusive":false,"cpe23_uri":"cve5:apple:macos:unspecified:macOS Catalina 10.15.6"}],"exploit_refs":[],"news":[],"references":[{"url":"https://support.apple.com/HT211289","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://support.apple.com/HT211288","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2020-10-16T16:51:05Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2022-09-08T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"ssvc_changed","at":"2026-06-24T00:31:35.223313Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:35.223313Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:35.223313Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:35.223313Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:35.223313Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:35.223313Z","label":"CVSS score revised","source":"vulnrichment"}]}