Auth bypass in QNAP Kazoo Server

CVE-2021-38679

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

Vulnerability class: Broken Authentication

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-38679?
CVE-2021-38679 is a medium-severity vulnerability in QNAP Kazoo Server, classified under Improper Authentication. CVSS score: 6.5/10. Published 2022-02-11.
How severe is CVE-2021-38679?
Medium severity. CVSS v3 base score is 6.5 out of 10.