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MEDIUM · 5.3

CVE-2021-34361

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Proxy Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have alre...

Vulnerability Description

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Proxy Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Proxy Server: QTS 4.5.x: Proxy Server 1.4.2 ( 2021/12/30 ) and later

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
QnapNas Proxy Server< 1.4.2
QnapQts>= 4.5.1, <= 4.5.4

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2021-34361?

CVE-2021-34361 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Proxy Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have alre...

How severe is CVE-2021-34361?

CVE-2021-34361 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34361?

Check the references section above for vendor advisories and patch information. Affected products include: Qnap Nas Proxy Server, Qnap Qts.