CVE-2023-23371 - CVE House
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Status published Medium CVE-2023-23371

QVPN Device Client

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Runzi Zhao, Security Researcher, QI-ANXIN

References

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Affected Vendor

QNAP Systems Inc.

View all reports →

Affected Software

QVPN Windows
Vulnerable Versions:
2.2.x

Timeline

Official Publish: October 6th, 2023
Last Modified: September 19th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-311 CWE-319

MITRE ATT&CK TTPs

T1005 Data from Local System
Collection
T1040 Network Sniffing
Credential Access
T1041 Exfiltration Over C2 Channel
Exfiltration
T1078 Valid Accounts
Persistence
T1530 Data from Cloud Storage
Collection
T1557 Adversary-in-the-Middle
Credential Access
T1552 Unsecured Credentials
Credential Access
T1071 Application Layer Protocol
Command and Control