Local Logging Flaw in Vasion Print Virtual Appliance Host Allows Unauthorized Access
CVE-2025-34188

8.4HIGH

Key Information:

Vendor

Vasion

Status
Print Virtual Appliance Host
Print Application
Vendor
CVE Published:
19 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-34188?

The local logging mechanism in Vasion Print Virtual Appliance Host and Application for macOS/Linux client deployments has a vulnerability that exposes authentication session tokens. These tokens, including PHPSESSID, XSRF-TOKEN, and laravel_session, are stored in cleartext in log files that are accessible by any local user. This flaw allows attackers with local access to extract and misuse these tokens for remote authentication, potentially bypassing standard login processes and compromising sensitive information.

Affected Version(s)

Print Application MacOS * < 20.0.1330

Print Virtual Appliance Host MacOS * < 1.0.735

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-34188 - Proof of Concept

References

https://help.printerlogic.com/saas/Print/Security/Securit...
vendor-advisorypatch
https://pierrekim.github.io/blog/2025-04-08-vasion-printe...
technical-descriptionexploit
https://help.printerlogic.com/va/Print/Security/Security-...
vendor-advisorypatch

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pierre Barre
.
CVE-2025-34188 : Local Logging Flaw in Vasion Print Virtual Appliance Host Allows Unauthorized Access