QNAP VioStor NVR OS Command Injection Vulnerability

Added to KEV
2023-12-21
Federal due date
2024-01-11
Vendor
QNAP
Product
VioStor NVR
EPSS
99.4th percentile (score 0.867, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2023-47565

CISA short description

QNAP VioStar NVR contains an OS command injection vulnerability that allows authenticated users to execute commands via a network.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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.