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
97.6th percentile (score 0.442, as of 2026-06-08)
NVD CVSS v3.1
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.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.