{"cve":"CVE-2023-23363","nvd":{"published":"2023-09-22T04:15:53.873","modified":"2026-06-17T05:36:56.640","status":"Modified","description":"A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating system. If exploited, the vulnerability possibly allows remote users to execute code via unspecified vectors.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 4.3.6.2441 build 20230621 and later\nQTS 4.3.3.2420 build 20230621 and later\nQTS 4.2.6 build 20230621 and later\nQTS 4.3.4.2451 build 20230621 and later","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-120"],"references":["https://www.qnap.com/en/security-advisory/qsa-23-25","https://www.qnap.com/en/security-advisory/qsa-23-25"],"products":["qnap:qts"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-23363","score":0.00919,"percentile":0.6026,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}