PatchTheCVECVE-2025-34221: Vasion Print (formerly PrinterLogic) Virtual Appliance Host prior to version 25.2.169 and Application prior to
CVE-2025-34221 is a critical-severity flaw (CVSS 9.8) affecting virtual appliance application, virtual appliance host. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Vasion Print (formerly PrinterLogic) Virtual Appliance Host prior to version 25.2.169 and Application prior to version 25.2.1518 (VA/SaaS deployments) expose every internal Docker container to the network because firewall rules allow unrestricted traffic to the Docker bridge network. Because no authentication, ACL or client‑side identifier is required, the attacker can interact with any internal API, bypassing the product’s authentication mechani
Why this priority
- Critical severity
- Public exploit reference
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.5% (top 27%) |
| CISA exploited list | No |
| Weakness | CWE-306 |
| Published | 2025-09-29 |
| Last modified | 2026-10-18 |
Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Write-up: pierrekim.github.io/blog/2025-04-08-vasion-printerlogic-83-vulnerabilities.html#va-auth-by
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-34221?
virtual appliance application: upgrade to 25.2.1518; virtual appliance host: upgrade to 25.2.169. Exact commands for each OS are on this page.
Is CVE-2025-34221 being exploited?
CVE-2025-34221 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-34221 affect?
CVE-2025-34221 affects virtual appliance application, virtual appliance host. Severity is critical (CVSS 9.8). Vasion Print (formerly PrinterLogic) Virtual Appliance Host prior to version 25.2.169 and Application prior to version 25.2.1518 (VA/SaaS deployments) expose every internal Docker container to the network because firewall rules allow unrest
How urgent is CVE-2025-34221?
Priority 66/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action
Software pages
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