{"cve_id":"CVE-2023-47565","published":"2023-12-08T16:15:16.367000+00:00","last_modified":"2026-06-17T06:32:55.230000+00:00","vuln_status":"Analyzed","description":"An OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x. If exploited, the vulnerability could allow authenticated users to execute commands via a network.\n\nWe have already fixed the vulnerability in the following versions:\n\nQVR Firmware 5.0.0 and later","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","base_score":8.8,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"LOW","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-78"],"in_kev":true,"kev_date_added":"2023-12-21","kev_ransomware":false,"epss_score":0.73277,"epss_percentile":0.99459,"cap_rule_version":"0.1.1","stage":"EXECUTION","req_access":"USER","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T10:47:09.718192+00:00","first_seen":"2023-12-08T16:15:16.367000+00:00","kev_first_seen":"2023-12-21T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["qnap"],"products":["qvr_firmware"],"affected":[{"vendor":"qnap","product":"qvr_firmware","ranges":["≥ 4.0.0 and < 5.0.0"]}]}