CVE-2021-28804 json
Command Injection Vulnerabilities in QTS and QuTS hero
published 2021-07-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15460
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
A command injection vulnerabilities have been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versions prior to h4.5.1.1582 build 20210217.
Patch / fix
- QNAP Systems Inc. QTS 4.5.1.1540 build 20210107
- QNAP Systems Inc. QuTS hero h4.5.1.1582 build 20210217
Exploit prediction
1.82% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- QNAP Systems Inc. QTS
- QNAP Systems Inc. QuTS hero
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
qnap.com
/zh-tw/security-advisory/qsa-21-29
vendor-advisory
Sources
- CVE List CVE-2021-28804
- NVD CVE-2021-28804
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