CVE-2021-38679

9.8 criticalEPSS 0.7%

Critical (9.8) in qnap kazoo server. EPSS 0.7% chance of exploitation in the next 30 days.

An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.22 and later

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2022-02-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

qnap:kazoo_server

References

https://www.qnap.com/en/security-advisory/qsa-22-01
https://www.qnap.com/en/security-advisory/qsa-22-01

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