CVE-2025-27642
📋 TL;DR
This vulnerability allows unauthenticated attackers to edit driver packages in Vasion Print (formerly PrinterLogic) systems. Attackers can upload malicious drivers or modify existing ones, potentially leading to system compromise. Organizations using affected versions of Vasion Print Virtual Appliance Host and Application are vulnerable.
💻 Affected Systems
- Vasion Print Virtual Appliance Host
- Vasion Print Application
📦 What is this software?
Vasion Print by Printerlogic
Virtual Appliance by Printerlogic
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover through malicious driver installation leading to remote code execution, lateral movement, and data exfiltration.
Likely Case
Attackers install malicious printer drivers that execute code with system privileges, enabling persistence and network reconnaissance.
If Mitigated
Limited to driver manipulation without code execution if proper driver signing validation and network segmentation are in place.
🎯 Exploit Status
Detailed technical analysis and proof-of-concept available in public disclosures. Simple HTTP requests can trigger the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Virtual Appliance Host 22.0.933 or later, Application 20.0.2368 or later
Vendor Advisory: https://help.printerlogic.com/saas/Print/Security/Security-Bulletins.htm
Restart Required: Yes
Instructions:
1. Download latest version from Vasion support portal. 2. Backup current configuration. 3. Install update following vendor documentation. 4. Restart services/reboot as required. 5. Verify version after update.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Vasion Print systems from untrusted networks and restrict access to management interfaces.
Access Control Lists
allImplement strict firewall rules to limit access to Vasion Print web interface to authorized IPs only.
🧯 If You Can't Patch
- Implement network segmentation to isolate Vasion Print systems from production networks
- Deploy web application firewall (WAF) with rules to block unauthorized driver package modification requests
🔍 How to Verify
Check if Vulnerable:
Check version in web interface admin panel or via system commands. If Virtual Appliance Host < 22.0.933 or Application < 20.0.2368, system is vulnerable.Check Version:
Check web interface admin panel or consult vendor documentation for version checking commands specific to your deployment.Verify Fix Applied:
Verify version shows Virtual Appliance Host >= 22.0.933 and Application >= 20.0.2368. Test that unauthenticated driver editing is no longer possible.📡 Detection & Monitoring
Log Indicators:
- Unauthenticated POST/PUT requests to driver package endpoints
- Unexpected driver uploads or modifications
- Failed authentication attempts followed by successful driver operations
Network Indicators:
- HTTP requests to /api/driver* endpoints without authentication headers
- Unusual traffic patterns to printer management interface
SIEM Query:
source="vasion_print" AND (url_path="/api/driver" OR url_path="/api/package") AND (user="-" OR auth_status="failed")