Auth bypass in QNAP Video Station

CVE-2021-44055

An missing authorization vulnerability has been reported to affect QNAP device running Video Station. If exploited, this vulnerability allows remote attackers to access data or perform actions that they should not be allowed to perform. We have already fixed this vulnerability in the following versions of Video Station: Video Station 5.5.9 ( 2022/02/16 ) and later

Vulnerability class: Broken Access Control

EPSS: 0.010 (59.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-44055?
CVE-2021-44055 is a medium-severity vulnerability in QNAP Video Station, classified under Missing Authorization. CVSS score: 5.3/10. Published 2022-05-05.
How severe is CVE-2021-44055?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-44055 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.