Platform
other
Component
myconnection-server
Fixed in
11.3.1
CVE-2023-42033 describes a Remote Code Execution (RCE) vulnerability in Visualware MyConnection Server. This flaw allows authenticated attackers to bypass authentication and execute arbitrary code on vulnerable systems. The vulnerability affects versions 11.3c through 11.3c and requires upgrading to a patched version to resolve the issue.
The impact of CVE-2023-42033 is significant due to the potential for remote code execution. A successful exploit allows an attacker to gain complete control over the affected MyConnection Server instance. This could lead to data breaches, system compromise, and potential lateral movement within the network. The ability to bypass authentication further exacerbates the risk, as it lowers the barrier to entry for attackers. Exploitation could involve uploading malicious files that, when processed by the server, execute arbitrary commands with the server's privileges. This is similar to other file upload vulnerabilities where insufficient sanitization allows for command injection.
CVE-2023-42033 was publicly disclosed on May 3, 2024. The vulnerability's severity is rated HIGH with a CVSS score of 7.2. Currently, no public proof-of-concept exploits are widely available, but the ease of bypassing authentication suggests a potential for rapid exploitation. It is advisable to monitor threat intelligence feeds for any indications of active campaigns targeting this vulnerability.
Exploit Status
EPSS
1.61% (82% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2023-42033 is to upgrade to a patched version of MyConnection Server as soon as it becomes available from Visualware. If immediate patching is not possible, consider implementing temporary workarounds. Restrict file upload functionality to trusted users and file types. Implement strict input validation on all user-supplied data, particularly file paths. Consider using a Web Application Firewall (WAF) to filter potentially malicious requests. Monitor system logs for suspicious activity related to file uploads and execution. After upgrading, confirm the vulnerability is resolved by attempting a controlled file upload with a known malicious payload (in a test environment, of course).
Actualizar a una versión parcheada de Visualware MyConnection Server que solucione la vulnerabilidad de recorrido de directorios. Consultar el sitio web del proveedor para obtener la última versión y las instrucciones de actualización.
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CVE-2023-42033 is a Remote Code Execution vulnerability in Visualware MyConnection Server versions 11.3c–11.3c. It allows attackers to bypass authentication and execute arbitrary code.
If you are running MyConnection Server version 11.3c–11.3c, you are potentially affected by this vulnerability. Check with Visualware for confirmation and available patches.
The recommended fix is to upgrade to a patched version of MyConnection Server as soon as it is available from Visualware. Implement temporary workarounds if patching is not immediately possible.
While no public exploits are widely available, the ease of authentication bypass suggests a potential for rapid exploitation. Monitor threat intelligence feeds for updates.
Refer to Visualware's official security advisories and documentation on their website for the latest information and updates regarding CVE-2023-42033.
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