Overview
There is a severe cybersecurity vulnerability, identified as CVE-2025-34202, that affects the Vasion Print (formerly PrinterLogic) Virtual Appliance Host and Application. This critical gap in security allows potential attackers to gain access to Docker’s internally isolated networks, exposing services like HTTP APIs, Redis, MySQL, etc., that should otherwise remain unseen and secured. This access can potentially lead to a full system compromise or data leakage, impacting the integrity, confidentiality, and availability of the system’s resources, making this a security concern of utmost priority.
Vulnerability Summary
CVE ID: CVE-2025-34202
Severity: Critical, CVSS score of 8.8
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential full system compromise or data leakage
Affected Products
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Product | Affected Versions
Vasion Print Virtual Appliance Host | Prior to 25.2.169
Vasion Print Application | Prior to 25.2.1518
How the Exploit Works
The exploitation of this vulnerability is primarily based on the attacker’s ability to access the same external L2 segment or manipulate the appliance to function as a gateway for adding routes. This allows the attacker to directly reach the IP addresses of the containers, giving them unauthorized access to internal services such as HTTP APIs, Redis, MySQL, etc. These services are either unsecured or are prone to known exploitation chains, thus further enabling the attacker’s lateral movement within the system, executing remote code, exfiltrating data, or even a total system compromise.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited. Note: this is a simplified example to illustrate the nature of the vulnerability and does not represent a real-world exploit.
# Attacker gains access to the same external L2 segment
route add -net <container IP range> gw <appliance IP>
# Using curl or similar tool to interact with exposed HTTP API
curl http://<container IP>:<port>/api/endpoint -d "malicious_payload"This would allow the attacker to send a malicious payload directly to an exposed internal service, potentially leading to unauthorized actions within the system.
Mitigation Guidance
To mitigate the risks posed by this vulnerability, it is recommended to apply the vendor patch immediately. In cases where immediate application of the patch is not feasible, the use of Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) may serve as temporary mitigation. However, these are not long-term solutions and should only be used as a stop-gap until the patch can be applied.
