{"cve":{"cve_id":"CVE-2023-20817","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":0.00089,"epss_percentile":0.00548,"epss_as_of":"2026-06-23","description":"In wlan service, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07453600; Issue ID: ALPS07453600.","published_at":"2023-08-07T03:22:14.021000Z","last_modified_at":null,"cvss_v3_score":6.7,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"MEDIUM","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":["CWE-787"],"nvd_references":["https://corp.mediatek.com/product-security-bulletin/August-2023"],"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":"2026-06-29T01:25:10.770555Z"},"effective_severity":"MEDIUM","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":"H","value_label":"High"},{"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":"mediatek-inc.","vendor_name":"MediaTek, Inc.","product_slug":"mt6580-mt6739-mt6761-mt6765-mt6768-mt6779-mt6781-mt6833-mt6853-mt6853t-mt6855-mt6873-mt6875-mt6877-mt6879-mt6883-mt6885-mt6886-mt6889-mt6891-mt6893-mt6895-mt6983-mt6985","product_name":"MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985","version_start":"Android 12.0, 13.0","version_start_inclusive":true,"version_end":"Android 12.0, 13.0","version_end_inclusive":true,"cpe23_uri":"cve5:mediatek-inc.:mt6580-mt6739-mt6761-mt6765-mt6768-mt6779-mt6781-mt6833-mt6853-mt6853t-mt6855-mt6873-mt6875-mt6877-mt6879-mt6883-mt6885-mt6886-mt6889-mt6891-mt6893-mt6895-mt6983-mt6985:Android 12.0, 13.0:Android 12.0, 13.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/August-2023","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2023-08-07T03:22:14.021000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:26:29.415816Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:26:29.415816Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:26:29.415816Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:25:10.770555Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:25:10.770555Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:25:10.770555Z","label":"SSVC decision revised","source":"vulnrichment"}]}