Known Exploited Vulnerability
8.8
HIGH
CVE-2023-47565
QNAP VioStor NVR OS Command Injection Vulnerabilit - [Actively Exploited]
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

INFO

Published Date :

Dec. 8, 2023, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 8:30 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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

Required Action :

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

Notes :

https://www.qnap.com/en/security-advisory/qsa-23-48 ; https://nvd.nist.gov/vuln/detail/CVE-2023-47565

Public PoC/Exploit Available at Github

CVE-2023-47565 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-47565 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Qnap qvr_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-47565.

URL Resource
https://www.qnap.com/en/security-advisory/qsa-23-48 Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-23-48 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 2 weeks, 2 days ago
548 stars 35 fork 35 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1228 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-47565 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-47565 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.qnap.com/en/security-advisory/qsa-23-48
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Dec. 22, 2023

    Action Type Old Value New Value
    Added Date Added 2023-12-21
    Added Vulnerability Name QNAP VioStor NVR OS Command Injection Vulnerability
    Added Due Date 2024-01-11
    Added Required Action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  • Initial Analysis by [email protected]

    Dec. 13, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.qnap.com/en/security-advisory/qsa-23-48 No Types Assigned https://www.qnap.com/en/security-advisory/qsa-23-48 Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:o:qnap:qvr_firmware:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (excluding) 5.0.0
  • CVE Received by [email protected]

    Dec. 08, 2023

    Action Type Old Value New Value
    Added 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
    Added Reference QNAP Systems, Inc. https://www.qnap.com/en/security-advisory/qsa-23-48 [No types assigned]
    Added CWE QNAP Systems, Inc. CWE-78
    Added CVSS V3.1 QNAP Systems, Inc. AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-47565 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.43 }} 1.78%

score

0.91822

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability