What’s Vulnerable › Vulnerabilities

CVE-2023-42034: Visualware MyConnection Server doRTAAccessCTConfig Cross-Site Scripting Authentication Bypass Vulnerability

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Visualware MyConnection Server: 11.3c

References

• https://myconnectionserver.visualware.com/support/security-advisories
• https://www.zerodayinitiative.com/advisories/ZDI-23-1399/
• https://myconnectionserver.visualware.com/support/security-advisories
• https://www.zerodayinitiative.com/advisories/ZDI-23-1399/

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