CVE-2025-27680 in Virtual Appliance Host
Summary
by MITRE • 03/05/2025
Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 1.0.750 Application 20.0.1442 allows Insecure Firmware Image with Insufficient Verification of Data Authenticity V-2024-004.
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Analysis
by VulDB Data Team • 06/02/2025
The vulnerability identified as CVE-2025-27680 affects Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 1.0.750 and Application versions before 20.0.1442. This security flaw resides in the firmware update mechanism of the virtual appliance system, specifically addressing insufficient verification of data authenticity during firmware image installation processes. The vulnerability represents a critical weakness in the device's security architecture that could enable unauthorized firmware modifications and potentially full system compromise.
The technical flaw manifests in the insecure firmware image handling mechanism where the system fails to properly validate the authenticity and integrity of firmware updates before installation. This inadequate verification process creates a pathway for malicious actors to inject compromised firmware images that can bypass normal security controls. The vulnerability specifically relates to the absence of robust cryptographic signature verification and checksum validation mechanisms that should ensure firmware images originate from legitimate sources and remain unaltered during transmission. This weakness aligns with CWE-353, which addresses the lack of proper verification of data authenticity, and represents a direct violation of secure update practices outlined in industry security standards.
The operational impact of this vulnerability is severe as it enables attackers to perform unauthorized firmware modifications that can fundamentally alter the system's behavior and security posture. An attacker who gains the ability to upload malicious firmware could potentially gain root access to the virtual appliance, establish persistent backdoors, or disable security features entirely. This capability undermines the entire security framework of the device and could lead to complete system compromise, data exfiltration, or use as a pivot point for attacks against other networked systems. The vulnerability affects organizations that rely on PrinterLogic solutions for print management and device control, potentially exposing their entire print infrastructure to unauthorized access and manipulation.
Organizations should immediately implement mitigations including upgrading to the patched versions of both the Virtual Appliance Host (1.0.750 or later) and Application (20.0.1442 or later). Network segmentation and access controls should be strengthened to limit administrative access to the affected systems, while monitoring should be implemented to detect unauthorized firmware update activities. The implementation of proper cryptographic signature verification for all firmware updates, along with regular security audits of update mechanisms, should be enforced. Organizations should also consider implementing network-based intrusion detection systems to monitor for suspicious update traffic patterns and ensure that only authenticated and verified firmware images are deployed to production environments. This vulnerability demonstrates the critical importance of secure firmware update mechanisms and aligns with ATT&CK technique T1547.001 for registry run keys and T1078 for valid accounts, as compromised firmware could enable persistent access and privilege escalation within the affected network infrastructure.