Medium severity · published Sep 10, 2021
CVE-2018-19957
A vulnerability involving insufficient HTTP security headers has been reported to affect QNAP NAS running QTS, QuTS hero, and QuTScloud
6.1
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
Qts · Qnap
before 4.5.4.1715 · source: NVD
QH
Quts Hero · Qnap
before h4.5.4.1771 · source: NVD
QU
Qutscloud · Qnap
before c4.5.6.1755 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19957
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19957
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-21-03
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