CVE-2018-19957

Insufficient HTTP Security Headers in QTS, QuTS hero, and QuTScloud

MEDIUM

6.1

CVSS Score

Published: September 10, 2021 at 04:00 AM UTC

Updated: June 17, 2026 at 01:50 AM UTC

3 products affected across 1 vendorQTSQuTS heroQuTScloud

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Severity

MEDIUM6.1

Exploit prediction

EPSS 0.7%

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

QTS · Qnap

95%

v < 4.5.4.1715v < 4.5.4.1715 build 20210630

Affected range stops below 4.5.4.1715, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.5.4.1715 build 20210630, so it looks safe — our inference, not a vendor statement

QuTS hero · Qnap

95%

v < h4.5.4.1771v < h4.5.4.1771 build 20210825

Affected range stops below h4.5.4.1771, so it looks safe — our inference, not a vendor statement

Affected range stops below h4.5.4.1771 build 20210825, so it looks safe — our inference, not a vendor statement

QuTScloud · Qnap

95%

v < c4.5.6.1755v < c4.5.6.1755 build 20210809

Affected range stops below c4.5.6.1755, so it looks safe — our inference, not a vendor statement

Affected range stops below c4.5.6.1755 build 20210809, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.qnap.com/en/security-advisory/qsa-21-03

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://www.qnap.com/en/security-advisory/qsa-21-03

CVSS

6.1MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-1021

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