// For flags

CVE-2023-23371

QVPN Device Client

Severity Score

4.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A cleartext transmission of sensitive information vulnerability has been reported to affect QVPN Device Client. If exploited, the vulnerability could allow local authenticated administrators to read sensitive data via unspecified vectors. We have already fixed the vulnerability in the following version:
QVPN Windows 2.2.0.0823 and later

Se ha informado que una vulnerabilidad de transmisión de texto plano de información confidencial afecta a QVPN Device Client. Si se explota, la vulnerabilidad podría permitir a los administradores locales autenticados leer datos confidenciales a través de vectores no especificados. Ya hemos solucionado la vulnerabilidad en la siguiente versión: QVPN Windows 2.2.0.0823 y posteriores

A cleartext transmission of sensitive information vulnerability has been reported to affect QVPN Device Client. If exploited, the vulnerability could allow local authenticated administrators to read sensitive data via unspecified vectors. We have already fixed the vulnerability in the following version: QVPN Windows 2.2.0.0823 and later

*Credits: Runzi Zhao, Security Researcher, QI-ANXIN
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Local
Attack Complexity
Low
Authentication
Multiple
Confidentiality
Complete
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-01-11 CVE Reserved
  • 2023-10-06 CVE Published
  • 2024-09-19 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-311: Missing Encryption of Sensitive Data
  • CWE-319: Cleartext Transmission of Sensitive Information
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://www.qnap.com/en/security-advisory/qsa-23-39 2023-10-11
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Qnap
Search vendor "Qnap"
 Qvpn
Search vendor "Qnap" for product "Qvpn"
 >= 2.2.0 < 2.2.0.0823
Search vendor "Qnap" for product "Qvpn" and version " >= 2.2.0 < 2.2.0.0823"
windows
Affected