Is CVE-2023-42034 actively exploited?

No active exploitation of CVE-2023-42034 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-42034 be exploited remotely?

Yes. CVE-2023-42034 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-42034?

CVE-2023-42034 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2023-42034

HIGH

CVE-2023-42034

CWE-79Published: May 3, 2024· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

Visualware MyConnection Server doRTAAccessCTConfig Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Visualware MyConnection Server. Minimal user interaction is required to exploit this vulnerability.

The specific flaw exists within the doRTAAccessCTConfig method. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-21613.

NVD Source

Technical Analysis

CVE-2023-42034 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.