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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.033 (88.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-42033: rose from 0.027 to 0.033.

EPSS over last 30 days · oldest: 0.027 · newest: 0.033 · change: +0.006

Affected products

Weakness classification (CWE)

References

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.