CVE-2025-27647
📋 TL;DR
This critical vulnerability in Vasion Print (formerly PrinterLogic) allows unauthenticated attackers to create partial admin user accounts. Affected organizations using vulnerable versions of the Virtual Appliance Host and Application components are at risk of unauthorized administrative access.
💻 Affected Systems
- Vasion Print
- PrinterLogic Virtual Appliance
📦 What is this software?
Vasion Print by Printerlogic
Virtual Appliance by Printerlogic
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative control over the print management system, enabling them to deploy malicious printers, intercept print jobs, move laterally within the network, or disrupt printing services entirely.
Likely Case
Attackers create backdoor admin accounts to maintain persistent access, potentially leading to data exfiltration, ransomware deployment, or further network compromise.
If Mitigated
With proper network segmentation and access controls, impact is limited to the print management system, though administrative compromise remains significant.
🎯 Exploit Status
Detailed technical analysis and proof-of-concept available in public disclosures. Attack requires network access to the management interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Virtual Appliance Host 22.0.913 or later, Application 20.0.2253 or later
Vendor Advisory: https://help.printerlogic.com/saas/Print/Security/Security-Bulletins.htm
Restart Required: Yes
Instructions:
1. Download latest patches from Vasion support portal. 2. Backup current configuration. 3. Apply Virtual Appliance Host update first. 4. Apply Application update. 5. Restart the appliance. 6. Verify all services are running.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict access to the management interface to trusted IP addresses only
iptables -A INPUT -p tcp --dport 443 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP
Disable Management Interface
linuxTemporarily disable web management interface if not actively needed
systemctl stop apache2
systemctl disable apache2
🧯 If You Can't Patch
- Isolate the print management appliance on a dedicated VLAN with strict firewall rules
- Implement network-based intrusion detection to monitor for unauthorized admin user creation attempts
🔍 How to Verify
Check if Vulnerable:
Check version in web interface at https://[appliance-ip]/admin or via SSH: cat /opt/printerlogic/version.txtCheck Version:
ssh admin@appliance-ip 'cat /opt/printerlogic/version.txt'Verify Fix Applied:
Verify version is 22.0.913 or higher for Host and 20.0.2253 or higher for Application. Test that unauthenticated admin user creation is no longer possible.📡 Detection & Monitoring
Log Indicators:
- Unauthenticated POST requests to user creation endpoints
- New admin user accounts created from unexpected IP addresses
- Failed authentication attempts followed by successful user creation
Network Indicators:
- HTTP POST requests to /api/users or similar endpoints without authentication headers
- Traffic to print management interface from unexpected sources
SIEM Query:
source="vasion-logs" AND (url_path="/api/users" OR event_type="user_created") AND user="anonymous"