CVE-2021-34359 — MEDIUM (6.9)

Q: How severe is CVE-2021-34359?

CVE-2021-34359 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-34359?

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

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

6.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Qnap	Nas Proxy Server	< 1.4.2
Qnap	Qts	>= 4.5.1, <= 4.5.4

Related Weaknesses (CWE)

CWE-79

References

https://www.qnap.com/en/security-advisory/qsa-22-04Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-22-04Vendor Advisory

FAQ

What is CVE-2021-34359?

CVE-2021-34359 is a vulnerability with a CVSS score of 6.9 (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-2021-34359?

CVE-2021-34359 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34359?

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