CVE-2023-47565

Legacy VioStor NVR

Published: Dec 8, 2023Updated: Feb 26, 2026 Sources: CVE List NVD BDU csafCWE-78

8.0HIGH

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

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:AAttack Vector

Adjacent

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-78

Affected Products

QNAP Systems Inc.

commercial·TWaka qnap, qnap systems

commercial·TWaka qnap

QVR

Hardware Firmware

Exploitability

CISA Known Exploited Vulnerability

Added to KEV:Dec 21, 2023

Remediation due:Jan 11, 2024

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

Official Patch Available

Is your org exposed to CVE-2023-47565?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

https://www.qnap.com/en/security-advisory/qsa-23-48

qnap.com

https://www.qnap.com/en/security-advisory/qsa-23-48

qnap.com

https://vuldb.com/de/?id.247269

vuldb.com

and 12 more references View all →

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