QNAP QuFirewall up to 2.3.2 command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in QNAP QuFirewall up to 2.3.2. The impacted element is an unknown function. Such manipulation leads to command injection. This vulnerability is traded as CVE-2023-23356. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in QNAP QuFirewall up to 2.3.2. It has been rated as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to execute arbitrary commands. We have already fixed the vulnerability in the following versions: QuFirewall 2.3.3 ( 2023/03/27 ) and later and later

The weakness was shared by Kaibro as qsa-23-14. The advisory is shared for download at qnap.com. This vulnerability is handled as CVE-2023-23356 since 01/11/2023. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 2.3.3 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector (qnap): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QuFirewall 2.3.3

Timelineinfo

01/11/2023 🔍
03/27/2023 +74 days 🔍
12/19/2024 +633 days 🔍
12/19/2024 +0 days 🔍
09/25/2025 +280 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-23-14
Researcher: Kaibro
Status: Confirmed

CVE: CVE-2023-23356 (🔍)
GCVE (CVE): GCVE-0-2023-23356
GCVE (VulDB): GCVE-100-288944

Entryinfo

Created: 12/19/2024 07:27
Updated: 09/25/2025 04:46
Changes: 12/19/2024 07:27 (67), 12/19/2024 12:18 (1), 09/25/2025 04:46 (11)
Complete: 🔍
Cache ID: 216::103

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