Medium severity · published Oct 28, 2020
CVE-2018-19953
QNAP NAS File Station Cross-Site Scripting Vulnerability
RansomwareIn wildKEV
6.1
CVSS
30.5%
EPSS
Yes
On KEV
Description
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.
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)30.5% · higher than 98% of CVEs
Exploited in the wildYes
CISA KEVListed May 24, 2022
Federal remediation dueJun 14, 2022
Ransomware campaign useKnown
Affected products
Which versions
QT
QTS · QNAP Systems Inc.
before 4.4.2.1231; before 4.4.1.1201; before 4.3.6.1218; before 4.3.4.1190; before 4.3.3.1161; before 4.2.6 · source: vendor, NVD
NA
Network Attached Storage (NAS) · QNAP
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19953
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19953
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://www.qnap.com/zh-tw/security-advisory/qsa-20-01
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