{"id":"CVE-2023-50364","aliases":["EUVD-2023-55165","GHSA-5865-p7wq-57w2"],"status":"published","title":"QTS, QuTS hero","description":"A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.6.2722 build 20240402 and later\nQuTS hero h5.1.6.2734 build 20240414 and later","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00851,"percentile":0.58513,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-122"],"published":"2024-04-26T15:01:12Z","modified":"2026-06-17T06:39:32Z","products":[{"vendor":"qnap","product":"qts"},{"vendor":"qnap","product":"quts_hero"},{"vendor":"qnap systems inc.","product":"qts"},{"vendor":"qnap systems inc.","product":"quts hero"}],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-24-20","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50364"},{"url":"https://github.com/advisories/GHSA-5865-p7wq-57w2"}],"sources":{"cve":[{"id":"CVE-2023-50364","title":"QTS, QuTS hero","description":"A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.6.2722 build 20240402 and later\nQuTS hero h5.1.6.2734 build 20240414 and later\n","status":"published","published":"2024-04-26T15:01:12.216Z","modified":"2024-08-02T22:16:46.326Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-120","CWE-122"],"updated_at":"2026-11-02T14:35:34.923818Z"}],"euvd":[{"id":"EUVD-2023-55165","description":"A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.6.2722 build 20240402 and later\nQuTS hero h5.1.6.2734 build 20240414 and later\n","status":"published","published":"2024-04-26T15:01:12Z","modified":"2024-08-02T22:16:46Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T03:49:55.131895Z"}],"ghsa":[{"id":"GHSA-5865-p7wq-57w2","title":"A buffer copy without checking size of input vulnerability has been reported to affect several...","description":"A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.6.2722 build 20240402 and later\nQuTS hero h5.1.6.2734 build 20240414 and later\n","status":"published","published":"2024-04-26T15:30:33Z","modified":"2024-04-26T15:30:34Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:57:15.123011Z"}],"nvd":[{"id":"CVE-2023-50364","description":"A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.6.2722 build 20240402 and later\nQuTS hero h5.1.6.2734 build 20240414 and later\n","status":"published","published":"2024-04-26T15:15:47.653Z","modified":"2026-06-17T06:39:32.913Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120","CWE-122"],"updated_at":"2026-11-02T14:09:11.362739Z"}]}}