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CVE-2021-38680

Reflected XSS in Kazoo Server

MEDIUM
6.1
CVSS Score
Published: December 29, 2021 at 01:05 PM UTC
Updated: June 17, 2026 at 04:02 AM UTC
2 products affected across 2 vendorsKazoo ServerKazoo Server

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.7%

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Kazoo Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.20 and later

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kazoo Server· Qnap
95%
v < 4.11.20
Affected range stops below 4.11.20, so it looks safe — our inference, not a vendor statement
Kazoo Server· Linn Products
60%
v < 4.11.20
Affected range stops below 4.11.20, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.qnap.com/en/security-advisory/qsa-21-54

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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