CVE-2023-47565
QNAP VioStor NVR OS Command Injection Vulnerability
Published Dec 8, 2023 · updated Jun 16, 2026 · qnap qvr firmware
An OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x. If exploited, the vulnerability could allow authenticated users to execute commands via a network. We have already fixed the vulnerability in the following versions: QVR Firmware 5.0.0 and later
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 8, 2023 · Catalog
Detected
An OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x. If exploited, the vulnerability could allow authenticated users to execute commands via a network. We have already fixed the vulnerability in the following versions: QVR Firmware 5.0.0 and later
Dec 21, 2023 · CISA KEV
Known exploited
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Jan 11, 2024 · CISA KEV
Remediation due
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Jun 16, 2026 · Catalog
Updated
An OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x. If exploited, the vulnerability could allow authenticated users to execute commands via a network. We have already fixed the vulnerability in the following versions: QVR Firmware 5.0.0 and later
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date Jan 11, 2024
Affected
- cpe qnap/qvr firmwareversion unspecified
- vendor QNAP VioStor NVRversion unspecified
Sources
- CISA KEVConfirmed exploitationCVE-2023-47565
QNAP VioStar NVR contains an OS command injection vulnerability that allows authenticated users to execute commands via a network.
cisa.gov - CVE.orgVulnerability recordCVE-2023-47565
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-47565
30-day exploitation probability 73.3%
first.org - NIST NVDVulnerability recordCVE-2023-47565
An OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x. If exploited, the vulnerability could allow authenticated users to execute commands via a network. We have already fixed the vulnerability in the following ver
nvd.nist.gov