Medium severity · published Jan 7, 2022
CVE-2021-38674
A cross-site scripting (XSS) vulnerability has been reported to affect QTS, QuTS hero and QuTScloud
6.1
CVSS
0.6%
EPSS
No
On KEV
Description
A cross-site scripting (XSS) vulnerability has been reported to affect QTS, QuTS hero and QuTScloud. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QTS, QuTS hero and QuTScloud: QuTS hero h4.5.4.1771 build 20210825 and later QTS 4.5.4.1787 build 20210910 and later QuTScloud c4.5.7.1864 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)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
Qts · Qnap
before 4.5.4.1787 · source: NVD
QH
Quts Hero · Qnap
before h4.5.4.1771 · source: NVD
QU
Qutscloud · Qnap
before c4.5.7.1864 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-38674
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-38674
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-21-63
More from Qts
9.8
CVE-2020-2509
Command Injection Vulnerability in QTS and QuTS hero
9.8
CVE-2018-19949
QNAP NAS File Station Command Injection Vulnerability
9.8
CVE-2019-7193
QNAP QTS Improper Input Validation Vulnerability
9.8
CVE-2014-7169
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
9.8
CVE-2014-6271
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability