Path traversal in Visualware MyConnection Server
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Visualware | MyConnection Server | 11.3c | — | No fix listed | CNA |
- MyConnection Server VendorVisualware Affected 11.3c Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:visualware:myconnection_server:11.3c:*:*:*:*:*:*:* | 11.3c | Vulnerable | Visualware |
- cpe:2.3:a:visualware:myconnection_server:11.3c:*:*:*:*:*:*:* Versions 11.3c Vulnerable ·Visualware
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Visualware MyConnection Server — vendor-provided URL
4 records Highest priority Priority MEDIUM 2 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2023-22402 Cross-site scripting in Visualware MyConnection ServerPriority MEDIUM 43
- TI-2023-22400 Visualware MyConnection Server doRTAAccessUPass Exposed Dangerous Method Information…Priority MEDIUM 41
- TI-2023-22403 XML external entity injection in Visualware MyConnection ServerPriority LOW 37
Timeline
- 2026-10-02 Threatist record created from CVE-2023-42033
- 2026-10-03 Alias added: GHSA-vcp3-4359-23x2
References
Advisory 2
More Visualware Myconnection Server vulnerabilities
- TI-2021-08745 An issue was discovered in Visualware MyConnection Server before v11.1a. CVSS 3.1CRITICAL 9.8
- TI-2023-22402 Cross-site scripting in Visualware MyConnection Server CVSS 3.0HIGH 8.8
- TI-2023-22400 Visualware MyConnection Server doRTAAccessUPass Exposed Dangerous Method Information… CVSS 3.0HIGH 7.5
- TI-2023-22403 XML external entity injection in Visualware MyConnection Server CVSS 3.0MEDIUM 6.5
- TI-2021-08992 In Visualware MyConnection Server before 11.0b build 5382, each published report is not… CVSS 3.1HIGH 7.5
- TI-2014-04184 Multiple cross-site scripting (XSS) vulnerabilities in test.php in Visualware… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2023-42033 · CVE Program
- CVE-2023-42033 · NVD
- FIRST EPSS
- GHSA-vcp3-4359-23x2 · GitHub Advisory Database · CC BY 4.0
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