Cleartext Transmission in QVPN Device Client <2.2.0.0823 (CVE-2023-23371)
CVE-2023-23371 Published on October 6, 2023
QVPN Device Client
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
Vulnerability Analysis
CVE-2023-23371 can be exploited with local system access, requires user interaction and user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Types
Missing Encryption of Sensitive Data
The software does not encrypt sensitive or critical information before storage or transmission. The lack of proper data encryption passes up the guarantees of confidentiality, integrity, and accountability that properly implemented encryption conveys.
Cleartext Transmission of Sensitive Information
The software transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Many communication channels can be "sniffed" by attackers during data transmission. For example, network traffic can often be sniffed by any attacker who has access to a network interface. This significantly lowers the difficulty of exploitation by attackers.
Products Associated with CVE-2023-23371
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-23371 are published in QNAP Qvpn:
Affected Versions
QNAP Systems Inc. QVPN Windows:- Version 2.2.x and below 2.2.0.0823 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.