Vulnerability Details : CVE-2021-38674
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
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-38674
- cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38674
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38674
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST | |
|
4.2
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N |
1.6
|
2.5
|
QNAP Systems, Inc. |
CWE ids for CVE-2021-38674
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security@qnapsecurity.com.tw (Secondary)
References for CVE-2021-38674
-
https://www.qnap.com/en/security-advisory/qsa-21-63
Reflected XSS Vulnerability in TFTP Server - Security Advisory | QNAPVendor Advisory
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