CVE-2021-28800
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Command Injection Vulnerability in QTS
A command injection vulnerability has been reported to affect QNAP NAS running legacy versions of QTS. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.3.6.1663 Build 20210504; versions prior to 4.3.3.1624 Build 20210416. This issue does not affect: QNAP Systems Inc. QTS 4.5.3. QNAP Systems Inc. QuTS hero h4.5.3. QNAP Systems Inc. QuTScloud c4.5.5.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
QTS
- Vendor
- QNAP Systems Inc.
- Product
- QTS
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | 4.3.6.1663 Build 20210504 | Unavailable | None listed |
| unspecified | affected | custom | 4.3.3.1624 Build 20210416 | Unavailable | None listed |
| 4.5.3 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
QuTS hero
- Vendor
- QNAP Systems Inc.
- Product
- QuTS hero
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| h4.5.3 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
QuTScloud
- Vendor
- QNAP Systems Inc.
- Product
- QuTScloud
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| c4.5.5 | unaffected | Unavailable | Unavailable | Unavailable | None listed |