{"id":"CVE-2023-45043","aliases":["EUVD-2023-49364","GHSA-2gfx-5m5m-qcxg"],"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 administrators to execute code via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.4.2596 build 20231128 and later\nQuTS hero h5.1.4.2596 build 20231128 and later","severity":{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0064,"percentile":0.51014,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2024-01-05T16:18:56Z","modified":"2026-06-17T06:28:07Z","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-23-27","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45043"},{"url":"https://github.com/advisories/GHSA-2gfx-5m5m-qcxg"}],"sources":{"cve":[{"id":"CVE-2023-45043","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 administrators to execute code via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.4.2596 build 20231128 and later\nQuTS hero h5.1.4.2596 build 20231128 and later\n","status":"published","published":"2024-01-05T16:18:56.178Z","modified":"2025-06-17T20:29:12.514Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-49364","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 5.1.4.2596 build 20231128 and later\nQuTS hero h5.1.4.2596 build 20231128 and later\n","status":"published","published":"2024-01-05T16:18:56Z","modified":"2025-06-17T20:29:12Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"updated_at":"2026-11-02T20:32:21.932311Z"}],"ghsa":[{"id":"GHSA-2gfx-5m5m-qcxg","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 5.1.4.2596 build 20231128 and later\nQuTS hero h5.1.4.2596 build 20231128 and later\n","status":"published","published":"2024-01-05T18:30:26Z","modified":"2024-01-05T18:30:32Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:55:20.27804Z"}],"nvd":[{"id":"CVE-2023-45043","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 5.1.4.2596 build 20231128 and later\nQuTS hero h5.1.4.2596 build 20231128 and later\n","status":"published","published":"2024-01-05T17:15:10.753Z","modified":"2026-06-17T06:28:07.87Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:08:59.830468Z"}]}}