QNAP VioStor NVR 4.x os command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in QNAP VioStor NVR 4.x. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in os command injection. This vulnerability is cataloged as CVE-2023-47565. The attack must originate from the local network. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in QNAP VioStor NVR 4.x. This affects an unknown functionality. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE 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

The weakness was shared 12/08/2023 by Chad Seaman And Larry Cashdollar as qsa-23-48. The advisory is shared at qnap.com. This vulnerability is uniquely identified as CVE-2023-47565 since 11/06/2023. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 12/21/2023 with a due date of 01/11/2024:

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

Upgrading to version 5.0.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (842). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.0
CNA Vector (QNAP Systems, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VioStor NVR 5.0.0

Timelineinfo

11/06/2023 🔍
12/08/2023 +32 days 🔍
12/08/2023 +0 days 🔍
01/28/2025 +416 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-23-48
Researcher: Chad Seaman And Larry Cashdollar
Status: Confirmed

CVE: CVE-2023-47565 (🔍)
GCVE (CVE): GCVE-0-2023-47565
GCVE (VulDB): GCVE-100-247269
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/08/2023 19:31
Updated: 01/28/2025 00:30
Changes: 12/08/2023 19:31 (51), 12/31/2023 13:58 (11), 04/30/2024 08:54 (26), 06/05/2024 13:46 (2), 09/09/2024 22:30 (2), 01/28/2025 00:30 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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