{"cve":{"cve_id":"CVE-2023-51365","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":0.34818,"epss_percentile":0.98214,"epss_as_of":"2026-06-23","description":"A path traversal vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to read the contents of unexpected files and expose sensitive data via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.4.2596 build 20231128 and later\nQTS 4.5.4.2627 build 20231225 and later\nQuTS hero h5.1.3.2578 build 20231110 and later\nQuTS hero h4.5.4.2626 build 20231225 and later\nQuTScloud c5.1.5.2651 and later\n\n","published_at":"2024-04-26T15:01:04.335000Z","last_modified_at":null,"cvss_v3_score":8.7,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/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":"partial","cwes":["CWE-22"],"nvd_references":["https://www.qnap.com/en/security-advisory/qsa-24-14"],"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":"2026-06-29T01:41:56.644083Z"},"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":"H","value_label":"High"},{"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":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"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":"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":"5.1.4.2596 build 20231128","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:qts:5.1.x:5.1.4.2596 build 20231128"},{"vendor_slug":"qnap-systems-inc.","vendor_name":"QNAP Systems Inc.","product_slug":"qts","product_name":"QTS","version_start":"4.5.x","version_start_inclusive":true,"version_end":"4.5.4.2627 build 20231225","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:qts:4.5.x:4.5.4.2627 build 20231225"},{"vendor_slug":"qnap-systems-inc.","vendor_name":"QNAP Systems Inc.","product_slug":"qutscloud","product_name":"QuTScloud","version_start":"c5.x","version_start_inclusive":true,"version_end":"c5.1.5.2651","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:qutscloud:c5.x:c5.1.5.2651"},{"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"},{"vendor_slug":"qnap-systems-inc.","vendor_name":"QNAP Systems Inc.","product_slug":"quts-hero","product_name":"QuTS hero","version_start":"h4.5.x","version_start_inclusive":true,"version_end":"h4.5.4.2626 build 20231225","version_end_inclusive":false,"cpe23_uri":"cve5:qnap-systems-inc.:quts-hero:h4.5.x:h4.5.4.2626 build 20231225"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-24-14","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2024-04-26T15:01:04.335000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:31:03.788554Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:31:03.788554Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:31:03.788554Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:41:56.644083Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:41:56.644083Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:41:56.644083Z","label":"SSVC decision revised","source":"vulnrichment"}]}