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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.014 (70.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.000
Affected products
- Visualware Myconnection Server — versions 11.3c
- Visualware Myconnection Server — versions 11.3c
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-1399/ (x_research-advisory, Third Party Advisory)
- myconnectionserver.visualware.com/support/security-advisories (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.