May 24, 2022 · Applied Cybernetics Group
CVE-2018-19943 — QNAP Network Attached Storage (NAS)
known ransomware use
QNAP NAS File Station Cross-Site Scripting Vulnerability
- Added to KEV
2022-05-24- Federal due date
2022-06-14- Vendor
- QNAP
- Product
- Network Attached Storage (NAS)
- EPSS
- 91.6th percentile (score 0.070, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2018-19943
CISA short description
A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.
Required action
Apply updates per vendor instructions.