{"id":"CVE-2023-51365","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-51365","generatedAt":"2026-10-28T04:33:09.854Z","title":"A path traversal vulnerability has been reported to affect several QNAP operating system versions.","description":"A path traversal vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to read the contents of unexpected files and expose sensitive data via a network.\n\nWe have already fixed the vulnerability in the following versions:\nQTS 5.1.4.2596 build 20231128 and later\nQTS 4.5.4.2627 build 20231225 and later\nQuTS hero h5.1.3.2578 build 20231110 and later\nQuTS hero h4.5.4.2626 build 20231225 and later\nQuTScloud c5.1.5.2651 and later\n\n","published":"2024-04-26T15:15:48.000Z","lastModified":"2026-06-17T06:40:49.000Z","status":"Analyzed","sourceIdentifier":"security@qnapsecurity.com.tw","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-22"],"affected":["qnap/qts","qnap/quts hero","qnap/qutscloud"],"epss":{"score":0.34818,"percentile":0.9842,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 34.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-24-14","tags":["Vendor Advisory"],"source":"security@qnapsecurity.com.tw"},{"url":"https://www.qnap.com/en/security-advisory/qsa-24-14","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-51365","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}