May 24, 2022 · Applied Cybernetics Group
CVE-2018-19949 — QNAP Network Attached Storage (NAS)
known ransomware use
QNAP NAS File Station Command Injection Vulnerability
- Added to KEV
2022-05-24- Federal due date
2022-06-14- Vendor
- QNAP
- Product
- Network Attached Storage (NAS)
- EPSS
- 97.8th percentile (score 0.244, as of
2026-09-16) - NVD CVSS v3.1
- 9.8 (CRITICAL)
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2018-19949
CISA short description
A command injection vulnerability affecting QNAP NAS File Station could allow remote attackers to run commands.
Required action
Apply updates per vendor instructions.
NVD description
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.