CVE-2025-27683 in Virtual Appliance Host
Summary
by MITRE • 03/05/2025
Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 1.0.735 Application 20.0.1330 allows Driver Unrestricted Upload of File with Dangerous Type V-2022-006.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 04/16/2025
The vulnerability identified as CVE-2025-27683 affects Vasion Print Virtual Appliance Host versions prior to 1.0.735 and Application versions before 20.0.1330. This security flaw represents a critical weakness in the file upload validation mechanism that allows unauthorized users to bypass restrictions on file type uploads. The vulnerability specifically targets the driver upload functionality within the printer management system, creating a pathway for malicious actors to introduce harmful files into the environment. The issue is classified under the broader category of unrestricted file uploads, which is a well-documented security weakness that has been consistently identified in security frameworks and standards.
The technical implementation of this vulnerability stems from insufficient validation of file types during the upload process. When users attempt to upload driver files, the system fails to properly verify the file extensions, MIME types, or file contents against a comprehensive whitelist of acceptable formats. This weakness enables attackers to upload executable files, scripts, or other dangerous file types that should be restricted. The vulnerability is particularly concerning because it occurs within the printer management infrastructure, which often requires elevated privileges and has access to network resources. The flaw allows for the upload of potentially malicious files that could execute arbitrary code on the target system, potentially leading to complete system compromise.
From an operational impact perspective, this vulnerability creates significant risk for organizations relying on Vasion Print for their printing infrastructure management. Attackers could exploit this weakness to upload malicious drivers that could persist on the system, establish backdoors, or execute commands with the privileges of the running application. The vulnerability affects the integrity and confidentiality of the printing environment, potentially allowing lateral movement within the network and privilege escalation attacks. Organizations using this software may experience unauthorized access to their printing infrastructure, which could lead to data exfiltration, system disruption, or the establishment of persistent malicious presence within their network environment.
The security implications extend beyond immediate exploitation as this vulnerability aligns with multiple ATT&CK framework techniques including T1195.001 for Driver Installation and T1059.001 for Command and Scripting Interpreter. The vulnerability also maps to CWE-434 which specifically addresses unrestricted upload of file with dangerous type, a pattern that has been consistently observed across various software platforms. Organizations should implement immediate mitigations including updating to the patched versions of both the Virtual Appliance Host and Application components. Additional protective measures include implementing strict file type validation, using content inspection tools, and deploying network monitoring solutions to detect anomalous file upload activities. The remediation process should also include reviewing existing uploads for malicious content and implementing proper access controls to limit who can perform driver uploads within the system.