What is CVE-2023-42034?

CVE-2023-42034 is a high-severity vulnerability in Visualware Myconnection Server, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2024-05-03.

How severe is CVE-2023-42034?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Visualware Myconnection Server

CVE-2023-42034

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (68.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Visualware Myconnection Server — versions 11.3c
Visualware Myconnection_server — versions 11.3c

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-42034?: CVE-2023-42034 is a high-severity vulnerability in Visualware Myconnection Server, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2024-05-03.
How severe is CVE-2023-42034?: High severity. CVSS v3 base score is 8.8 out of 10.