CVE-2018-19957 json
Insufficient HTTP Security Headers in QTS, QuTS hero, and QuTScloud
published 2021-09-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11628
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- QNAP Systems Inc. QTS 4.5.4.1715 build 20210630
- QNAP Systems Inc. QuTS hero h4.5.4.1771 build 20210825
- QNAP Systems Inc. QuTScloud c4.5.6.1755 build 20210809
Exploit prediction
0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- QNAP Systems Inc. QTS
- QNAP Systems Inc. QuTS hero
- QNAP Systems Inc. QuTScloud
Classification
- Weakness
-
- CWE-1021 Improper Restriction of Rendered UI Layers or Frames
References
-
qnap.com
/en/security-advisory/qsa-21-03
vendor-advisory
Sources
- CVE List CVE-2018-19957
- NVD CVE-2018-19957
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