A command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 Build 20210202 and later QTS 4.5.1.1495 Build 20201123 and later QTS 4.3.6.1620 Build 20210322 and later QTS 4.3.4.1632 Build 20210324 and later QTS 4.3.3.1624 Build 20210416 and later QTS 4.2.6 Build 20210327 and later QuTS hero h4.5.1.1491 build 20201119 and later
No patch available.
Consider disconnecting the vulnerable system from the internet until a fix is applied.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityAttacked
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | cisa | E: U→A | 7.2 → 9.2 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 7.2 |
Affected Software
| Vendor | Product | Version |
|---|
| qnap | qts | ≥ 4.3.5, < 4.3.6 |
| qnap | qts | ≥ 4.4.0, < 4.5.1 |
| qnap | qts | < 4.2.6 |
| qnap | qts | 4.2.6 |
| qnap | qts | 4.3.3.0174 |
| qnap | qts | 4.3.3.0868 |
| qnap | qts | 4.3.3.0998 |
| qnap | qts | 4.3.3.1051 |
| qnap | qts | 4.3.3.1098 |
| qnap | qts | 4.3.3.1161 |
| qnap | qts | 4.3.3.1252 |
| qnap | qts | 4.3.3.1315 |
| qnap | qts | 4.3.3.1386 |
| qnap | qts | 4.3.3.1432 |
| qnap | qts | 4.3.4.0358 |
| qnap | qts | 4.3.4.0370 |
| qnap | qts | 4.3.4.0372 |
| qnap | qts | 4.3.4.0374 |
| qnap | qts | 4.3.4.0387 |
| qnap | qts | 4.3.4.0411 |
| qnap | qts | 4.3.4.0416 |
| qnap | qts | 4.3.4.0427 |
| qnap | qts | 4.3.4.0434 |
| qnap | qts | 4.3.4.0435 |
| qnap | qts | 4.3.4.0451 |
| qnap | qts | 4.3.4.0483 |
| qnap | qts | 4.3.4.0486 |
| qnap | qts | 4.3.4.0506 |
| qnap | qts | 4.3.4.0516 |
| qnap | qts | 4.3.4.0526 |
| qnap | qts | 4.3.4.0551 |
| qnap | qts | 4.3.4.0557 |
| qnap | qts | 4.3.4.0561 |
| qnap | qts | 4.3.4.0569 |
| qnap | qts | 4.3.4.0593 |
| qnap | qts | 4.3.4.0597 |
| qnap | qts | 4.3.4.0604 |
| qnap | qts | 4.3.4.0899 |
| qnap | qts | 4.3.4.1029 |
| qnap | qts | 4.3.4.1082 |
| qnap | qts | 4.3.4.1190 |
| qnap | qts | 4.3.4.1282 |
| qnap | qts | 4.3.4.1368 |
| qnap | qts | 4.3.4.1417 |
| qnap | qts | 4.3.4.1463 |
| qnap | qts | 4.3.6 |
| qnap | qts | 4.3.6.0895 |
| qnap | qts | 4.3.6.0907 |
| qnap | qts | 4.3.6.0923 |
| qnap | qts | 4.3.6.0944 |
| qnap | qts | 4.3.6.0959 |
| qnap | qts | 4.3.6.0979 |
| qnap | qts | 4.3.6.0993 |
| qnap | qts | 4.3.6.1013 |
| qnap | qts | 4.3.6.1033 |
| qnap | qts | 4.3.6.1070 |
| qnap | qts | 4.3.6.1154 |
| qnap | qts | 4.3.6.1218 |
| qnap | qts | 4.3.6.1263 |
| qnap | qts | 4.3.6.1286 |
| qnap | qts | 4.3.6.1333 |
| qnap | qts | 4.3.6.1411 |
| qnap | qts | 4.3.6.1446 |
| qnap | qts | 4.5.1 |
| qnap | qts | 4.5.1.1456 |
| qnap | qts | 4.5.1.1461 |
| qnap | qts | 4.5.1.1465 |
| qnap | qts | 4.5.1.1480 |
| qnap | qts | 4.5.2 |
| qnap | quts_hero | < h4.5.1 |
| qnap | quts_hero | h4.5.1 |
| qnap | quts_hero | h4.5.1.1472 |
| QNAP Systems Inc. | QTS | < 4.2.6 Build 20210327 |
| QNAP Systems Inc. | QTS | < 4.3.3.1624 Build 20210416 |
| QNAP Systems Inc. | QTS | < 4.3.6.1620 Build 20210322 |
| QNAP Systems Inc. | QTS | < 4.5.2.1566 Build 20210202 |
| QNAP Systems Inc. | QTS | < 4.5.1.1495 Build 20201123 |
| QNAP Systems Inc. | QTS | < 4.3.4.1632 Build 20210324 |
| QNAP Systems Inc. | QuTS hero | < h4.5.1.1491 build 20201119 |
Published: 2021-04-17
