{"id":"CVE-2023-50362","aliases":["EUVD-2023-55163","GHSA-w27q-43j3-7vj3"],"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":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00759,"percentile":0.55592,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-121"],"published":"2024-04-26T15:01:20Z","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-2023-50362"},{"url":"https://github.com/advisories/GHSA-w27q-43j3-7vj3"}],"sources":{"cve":[{"id":"CVE-2023-50362","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":"2024-04-26T15:01:20.31Z","modified":"2024-08-02T22:16:46.74Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-120","CWE-121"],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-55163","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":"2024-04-26T15:01:20Z","modified":"2024-08-02T22:16:46Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:49:55.131895Z"}],"ghsa":[{"id":"GHSA-w27q-43j3-7vj3","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 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":"2024-04-26T15:30:32Z","modified":"2024-04-26T15:30:32Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:57:15.123011Z"}],"nvd":[{"id":"CVE-2023-50362","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":"2024-04-26T15:15:47.277Z","modified":"2026-06-17T06:39:32.617Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","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-121"],"updated_at":"2026-11-02T14:09:11.362739Z"}]}}