CVE-2021-44051 json
Command injection
published 2022-05-05 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30910
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1986 build 20220324 and later QTS 5.0.0.1986 build 20220324 and later
Patch / fix
- QNAP Systems Inc. QuTScloud c5.0.1.1949
- QNAP Systems Inc. QuTS hero h5.0.0.1986 build 20220324
- QNAP Systems Inc. QTS 5.0.0.1986 build 20220324
Exploit prediction
1.66% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- QNAP Systems Inc. QuTScloud
- QNAP Systems Inc. QuTS hero
- QNAP Systems Inc. QTS
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
-
qnap.com
/en/security-advisory/qsa-22-16
vendor-advisory
Sources
- CVE List CVE-2021-44051
- NVD CVE-2021-44051
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.