{"id":"CVE-2023-51368","aliases":["EUVD-2023-56089","GHSA-rvfh-6hc5-7vqc"],"status":"published","title":"QTS, QuTS hero","description":"A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to launch a denial-of-service (DoS) attack 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":0.0031,"percentile":0.24137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2024-09-06T16:26:15Z","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-2023-51368"},{"url":"https://github.com/advisories/GHSA-rvfh-6hc5-7vqc"}],"sources":{"cve":[{"id":"CVE-2023-51368","title":"QTS, QuTS hero","description":"A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to launch a denial-of-service (DoS) attack 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":"2024-09-06T16:26:15.562Z","modified":"2024-09-06T17:34:51.382Z","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-476"],"updated_at":"2026-11-02T14:35:17.812395Z"}],"euvd":[{"id":"EUVD-2023-56089","description":"A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to launch a denial-of-service (DoS) attack 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":"2024-09-06T16:26:15Z","modified":"2024-09-06T17:34:51Z","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-rvfh-6hc5-7vqc","title":"A NULL pointer dereference vulnerability has been reported to affect several QNAP operating...","description":"A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to launch a denial-of-service (DoS) attack 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":"2024-09-06T18:31:35Z","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-476"],"updated_at":"2026-11-02T14:58:11.330333Z"}],"nvd":[{"id":"CVE-2023-51368","description":"A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to launch a denial-of-service (DoS) attack 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":"2024-09-06T17:15:13.487Z","modified":"2026-06-17T06:40:49.233Z","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":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:09:19.052418Z"}]}}