CVE-2023-47565: QNAP VioStor NVR OS Command Injection Vulnerability
CVE-2023-47565 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2023-12-21
An OS command injection vulnerability in legacy QNAP VioStor NVR models running QVR Firmware 4.x allows authenticated users to execute arbitrary commands via the network. The vulnerability was addressed in QVR Firmware version 5.0.0 and later.
Yes. CVE-2023-47565 is known to be exploited in the wild, first recorded on 21 December 2023. Treat it as urgent.
How severe is CVE-2023-47565?
Critical severity, with a CVSS score of 8.8, published 21 December 2023.
Which products and versions are affected?
QNAP Systems, Inc. QVR Firmware 4.x (specifically 4.0.0 up to but excluding 5.0.0); QNAP Systems, Inc. VioStor NVR.
Is there a fix for CVE-2023-47565?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2023-47565 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-47565?
Check whether you run QNAP VioStor NVR. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
QNAP Systems, Inc. QVR Firmware 4.x (specifically 4.0.0 up to but excluding 5.0.0)
QNAP Systems, Inc. VioStor NVR
Timeline
2023-12-08: disclosed: Initial disclosure by QNAP Systems, Inc.
2023-12-21: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
2023-12-21: exploited: Reported as exploited in the wild.