What is CVE-2023-42033?

CVE-2023-42033 is a high-severity vulnerability in Visualware Myconnection Server, classified under Path Traversal. CVSS score: 7.2/10. Published 2024-05-03.

How severe is CVE-2023-42033?

High severity. CVSS v3 base score is 7.2 out of 10.

Path Traversal in Visualware Myconnection Server

CVE-2023-42033

Visualware MyConnection Server doPostUploadfiles Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Visualware MyConnection Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the doPostUploadfiles method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21612.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.027 (84.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/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-22 — Path Traversal

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-2023-42033?: CVE-2023-42033 is a high-severity vulnerability in Visualware Myconnection Server, classified under Path Traversal. CVSS score: 7.2/10. Published 2024-05-03.
How severe is CVE-2023-42033?: High severity. CVSS v3 base score is 7.2 out of 10.