CVE-2021-44055
QNAP
- Published
- 5 May 2022
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.1
- Severity
- critical
- EPSS
- 1.0% (62th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-862
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
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
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 1.0% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Video Station | QNAP | unknown | 5.1.3, 5.2.0, < 2023.07.27, < 5.1.8 +14 |
References
Vendor advisory and patch
- https://www.qnap.com/en/security-advisory/qsa-22-14
- https://www.qnap.com/en/security-advisory/qsa-22-14
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.