QNAP QVPN prior 2.1.0.0518 on Windows insufficiently protected credentials

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in QNAP QVPN on Windows and classified as problematic. This issue affects some unknown processing. The manipulation results in insufficiently protected credentials. This vulnerability is identified as CVE-2023-23370. The attack is only possible with local access. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in QNAP QVPN on Windows. It has been classified as problematic. Affected is an unknown code. The manipulation with an unknown input leads to a insufficiently protected credentials vulnerability. CWE is classifying the issue as CWE-522. The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An insufficiently protected credentials vulnerability has been reported to affect QVPN Device Client. If exploited, the vulnerability could allow local authenticated administrators to gain access to user accounts and access sensitive data used by the user account via unspecified vectors. We have already fixed the vulnerability in the following version: QVPN Windows 2.1.0.0518 and later

The weakness was released 10/06/2023 as qsa-23-36. The advisory is shared for download at qnap.com. This vulnerability is traded as CVE-2023-23370 since 01/11/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1552.

Upgrading to version 2.1.0.0518 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

QNAP

Name

QVPN

License

commercial

Website

Vendor: https://www.qnap.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CNA Base Score: 6.7
CNA Vector (QNAP Systems, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Insufficiently protected credentials
CWE: CWE-522
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QVPN 2.1.0.0518

Timelineinfo

01/11/2023 🔍
10/06/2023 +267 days 🔍
10/06/2023 +0 days 🔍
10/27/2023 +21 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-23-36
Status: Confirmed

CVE: CVE-2023-23370 (🔍)
GCVE (CVE): GCVE-0-2023-23370
GCVE (VulDB): GCVE-100-241476

Entryinfo

Created: 10/06/2023 21:54
Updated: 10/27/2023 10:41
Changes: 10/06/2023 21:54 (49), 10/27/2023 10:41 (11)
Complete: 🔍
Cache ID: 216::103