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[ CVE-2023-47565 · Published 8 Dec 2023 ]

QNAP VioStor NVR OS Command Injection Vulnerability

Exploited · CISA KEV CVSS 8.8 EPSS 73%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-12-21
  • EPSS: 73% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

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

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

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 11 Jan 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References