CVE-2023-42034
Visualware MyConnection Server doRTAAccessCTConfig Cross-Site Scripting Authentication Bypass Vulnerability.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.36% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- visualware/myconnection server
- Source
- zdi-disclosures@trendmicro.com
References
- https://myconnectionserver.visualware.com/support/security-advisoriesVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1399/Third Party Advisory
- https://myconnectionserver.visualware.com/support/security-advisoriesVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1399/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.