CVE-2025-34188: Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 1.0.735 and Application prior to

Q: How do I fix CVE-2025-34188?

virtual appliance application: upgrade to 20.0.1330; virtual appliance host: upgrade to 1.0.735. Exact commands for each OS are on this page.

Q: Is CVE-2025-34188 being exploited?

CVE-2025-34188 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-34188 affect?

CVE-2025-34188 affects virtual appliance application, virtual appliance host. Severity is high (CVSS 7.8). Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 1.0.735 and Application prior to 20.0.1330 (macOS/Linux client deployments) contain a vulnerability in the local logging mechanism. Authentication session tokens,

Q: How urgent is CVE-2025-34188?

Priority 38/100. High severity; Public exploit reference

Routine

HIGH 7.8UPGRADEUPGRADE

CVE-2025-34188 is a high-severity flaw (CVSS 7.8) 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 versions prior to 1.0.735 and Application prior to 20.0.1330 (macOS/Linux client deployments) contain a vulnerability in the local logging mechanism. Authentication session tokens, including PHPSESSID, XSRF-TOKEN, and laravel_session, are stored in cleartext within world-readable log files. Any local user with access to the machine can extract these session tokens and use them to authent

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-532
Published	2025-09-19
Last modified	2026-10-18

Publisher (CNA): VulnCheck · Vendor: vasion

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-19 19:15 UTCPublished CVE record published
2026-10-18 21:10 UTCUpdated Record last modified

vasion virtual appliance application UPGRADE

Affected: < 20.0.1330

Fixed in: 20.0.1330

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy virtual-appliance-application || rpm -q virtual-appliance-application || virtual-appliance-application --version

2. UPGRADE to 20.0.1330 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade virtual-appliance-application

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade virtual-appliance-application

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

vasion virtual appliance host UPGRADE

Affected: < 1.0.735

Fixed in: 1.0.735

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy virtual-appliance-host || rpm -q virtual-appliance-host || virtual-appliance-host --version

2. UPGRADE to 1.0.735 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade virtual-appliance-host

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade virtual-appliance-host

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2025-34188?

virtual appliance application: upgrade to 20.0.1330; virtual appliance host: upgrade to 1.0.735. Exact commands for each OS are on this page.

Is CVE-2025-34188 being exploited?

CVE-2025-34188 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-2025-34188 affect?

CVE-2025-34188 affects virtual appliance application, virtual appliance host. Severity is high (CVSS 7.8). Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 1.0.735 and Application prior to 20.0.1330 (macOS/Linux client deployments) contain a vulnerability in the local logging mechanism. Authentication session tokens,

How urgent is CVE-2025-34188?

Priority 38/100. High severity; Public exploit reference

Software pages

Laravel vulnerabilities · macOS vulnerabilities

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References

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