{"cve":{"cve_id":"CVE-2023-39296","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":0.01564,"epss_percentile":0.7207,"epss_as_of":"2026-06-23","description":"A prototype pollution vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to override existing attributes with ones that have incompatible type, which may lead to a crash via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.3.2578 build 20231110 and later\nQuTS hero h5.1.3.2578 build 20231110 and later\n","published_at":"2024-01-05T16:19:20.645000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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":true,"ssvc_technical_impact":"partial","cwes":["CWE-1321"],"nvd_references":["https://www.qnap.com/en/security-advisory/qsa-23-64"],"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":"2026-06-29T01:34:40.382541Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","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":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"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":"qnap-systems-inc.","vendor_name":"QNAP Systems Inc.","product_slug":"qts","product_name":"QTS","version_start":"5.1.x","version_start_inclusive":true,"version_end":"5.1.3.2578 build 20231110","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:qts:5.1.x:5.1.3.2578 build 20231110"},{"vendor_slug":"qnap-systems-inc.","vendor_name":"QNAP Systems Inc.","product_slug":"quts-hero","product_name":"QuTS hero","version_start":"h5.1.x","version_start_inclusive":true,"version_end":"h5.1.3.2578 build 20231110","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:quts-hero:h5.1.x:h5.1.3.2578 build 20231110"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-23-64","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-01-05T16:19:20.645000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:29:24.974551Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:24.974551Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:29:24.974551Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:34:40.382541Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:34:40.382541Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:34:40.382541Z","label":"SSVC decision revised","source":"vulnrichment"}]}