{"cve":"CVE-2018-19957","nvd":{"published":"2021-09-10T04:15:08.857","modified":"2026-06-17T01:50:11.337","status":"Modified","description":"A vulnerability involving insufficient HTTP security headers has been reported to affect QNAP NAS running QTS, QuTS hero, and QuTScloud. This vulnerability allows remote attackers to launch privacy and security attacks. We have already fixed this vulnerability in the following versions: QTS 4.5.4.1715 build 20210630 and later QuTS hero h4.5.4.1771 build 20210825 and later QuTScloud c4.5.6.1755 build 20210809 and later","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-1021"],"references":["https://www.qnap.com/en/security-advisory/qsa-21-03","https://www.qnap.com/en/security-advisory/qsa-21-03"],"products":["qnap:qts","qnap:quts_hero","qnap:qutscloud"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2018-19957","score":0.00707,"percentile":0.53463,"date":"2026-10-31"},"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."]}