CVE-2023-47565

8.0 HIGH 73% exploit odds exploited in the wild Fix listed Injection Device

What it is

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

At a glance

Exploitability: Can be exploited from the same network segment with a low-privilege account. High risk of data exposure, data tampering, service disruption.
In the wild: CISA lists this as exploited in real attacks. Treat as urgent.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-11-06 14:11 UTC ReservedThe CVE id was reserved by its CNA
2023-12-08 16:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2023-12-21 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
2024-01-11 Remediation deadlineCISA's due date for federal agencies to fix it
2026-06-17 06:32 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
Exploit odds: 73.3% in the next 30 days (EPSS).
Severity: 8.0 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-12-08 16:15 UTC
Last modified: 2026-06-17 06:32 UTC
Added to CISA KEV: 2023-12-21
Exploit probability: 73.3% · EPSS, next 30 days
Weakness: CWE-78 · OS command injection
Record status: Analyzed

Affected

Qnap Qvr Firmware < 5.0.0

Attack profile CVSS 3.1 · 8.0

Attack vector: Adjacent network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-47565.md and follow it. Check whether this project is affected by CVE-2023-47565. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record