{"id":"CVE-2018-19941","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-19941","generatedAt":"2026-10-28T21:19:28.985Z","title":"A vulnerability has been reported to affect QNAP NAS.","description":"A vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows an attacker to access sensitive information stored in cleartext inside cookies via certain widely-available tools. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.1.1456 build 20201015 (and later) QuTS hero h4.5.1.1472 build 20201031 (and later) QuTScloud c4.5.2.1379 build 20200730 (and later)","published":"2020-12-31T17:15:12.000Z","lastModified":"2026-06-17T01:50:09.000Z","status":"Modified","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-315","CWE-312"],"affected":["qnap/qts","qnap/quts hero","qnap/qutscloud"],"epss":{"score":0.00666,"percentile":0.51638,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.qnap.com/zh-tw/security-advisory/qsa-20-23","tags":["Vendor Advisory"],"source":"security@qnapsecurity.com.tw"},{"url":"https://www.qnap.com/zh-tw/security-advisory/qsa-20-23","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-19941","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."}