{"id":"CVE-2023-51367","aliases":["EUVD-2023-56088","GHSA-x9c2-9mp9-fq3m"],"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 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":5.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00391,"percentile":0.33658,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-121"],"published":"2024-09-06T16:26:10Z","modified":"2026-06-17T06:40:49Z","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":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-51367"},{"url":"https://github.com/advisories/GHSA-x9c2-9mp9-fq3m"}],"sources":{"cve":[{"id":"CVE-2023-51367","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 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","status":"published","published":"2024-09-06T16:26:10.766Z","modified":"2024-09-06T17:39:58.509Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-120","CWE-121"],"updated_at":"2026-11-02T14:35:17.48054Z"}],"euvd":[{"id":"EUVD-2023-56088","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 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","status":"published","published":"2024-09-06T16:26:10Z","modified":"2024-09-06T17:39:58Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T00:56:01.652315Z"}],"ghsa":[{"id":"GHSA-x9c2-9mp9-fq3m","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 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","status":"published","published":"2024-09-06T18:31:34Z","modified":"2024-09-06T18:31:40Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:58:11.330333Z"}],"nvd":[{"id":"CVE-2023-51367","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 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","status":"published","published":"2024-09-06T17:15:13.3Z","modified":"2026-06-17T06:40:49.11Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/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-121"],"updated_at":"2026-11-02T14:09:19.052418Z"}]}}