Command Injection Vulnerabilities in QTS and QuTS hero
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| QNAP | QTS | before 4.5.1.1540 build 20210107 | 4.5.1.1540 build 20210107 | Patch available | CNA |
| QNAP | QuTS hero | before h4.5.1.1582 build 20210217 | h4.5.1.1582 build 20210217 | Patch available | CNA |
Remediation
- Fix · CNA QTS (QNAP Systems Inc.) Fixed in 4.5.1.1540 build 20210107
- Fix · CNA QuTS hero (QNAP Systems Inc.) Fixed in h4.5.1.1582 build 20210217
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
QNAP Systems QTS, QuTS hero 4.5.1.1540 build 20210107, h4.5.1.1582 build 20210217
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2021-09796 Command Injection Vulnerabilities in QTS and QuTS heroPriority MEDIUM 46
Timeline
- 2026-10-02 Threatist record created from CVE-2021-28802
- 2026-10-03 Alias added: GHSA-777p-2jpw-g9gh
References
More QNAP Qts vulnerabilities
- TI-2020-02221 Command Injection Vulnerability in QTS and QuTS hero KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05101 Improper input validation in QNAP NAS devices KEVCVSS 3.1CRITICAL 9.8
- TI-2018-14137 Improper input validation in QNAP QTS KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2018-14131 Cross-site scripting in QNAP QTS KEVCVSS 3.1HIGH 8.0
Sources
- CVE-2021-28802 · CVE Program
- CVE-2021-28802 · NVD
- FIRST EPSS
- GHSA-777p-2jpw-g9gh · GitHub Advisory Database · CC BY 4.0
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