Vulnerability Intelligence Report
QNAP NAS File Station Command Injection Vulnerability
CVE-2018-19949
If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.
CISA KEV
SSVC: Active Exploitation
Injection
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:24.45%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| QNAP Systems Inc. | QTS | unspecified < 4.4.2.1231 (affected) |
| QNAP Systems Inc. | QTS | unspecified < 4.4.1.1201 (affected) |
| QNAP Systems Inc. | QTS | unspecified < 4.3.6.1218 (affected) |
| QNAP Systems Inc. | QTS | unspecified < 4.3.4.1190 (affected) |
| QNAP Systems Inc. | QTS | unspecified < 4.3.3.1161 (affected), unspecified < 4.2.6 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
EPSS Score
24.449%
GitHub Advisory
Vulnerability Class
Injection
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | QNAP Systems, Inc. · Vendor · Taiwan |
| Reserved | 2018-12-07T00:00:00 |
| Published | 2020-10-28T17:55:18 |
| Last Updated | 2026-08-13T03:55:38 |
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