CVE-2025-34221Public exploitNetwork attack vector

Unauthenticated internal API access via exposed Docker bridge

Published Sep 29, 2025 · Updated Sep 29, 2025

Missing authentication in Vasion Print VA/SaaS components before 25.2.169 and 25.2.1518 allows remote attackers to access internal APIs. Unrestricted firewall rules route traffic into the 172.17.0.0/16 Docker bridge, where container APIs accept requests without authentication, ACLs, or a client identifier. Network reachability to the deployment is sufficient to expose credentials and configuration and to support remote code execution through reachable internal services.

CVSS severity10.0
Critical
EPSS probability1.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in Vasion Print VA/SaaS components before 25.2.169 and 25.2.1518 allows remote attackers to access internal APIs. Unrestricted firewall rules route traffic into the 172.17.0.0/16 Docker bridge, where container APIs accept requests without authentication, ACLs, or a client identifier. Network reachability to the deployment is sufficient to expose credentials and configuration and to support remote code execution through reachable internal services.

The record

CVE
CVE-2025-34221
Published
Sep 29, 2025
Updated
Sep 29, 2025
Vendor
Vasion
Product
Vasion Print Application
Classifications
CWE-306, CAPEC-1, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 29, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <25.2.1518

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Vasion · Vasion Print Applicationversion=* <25.2.1518
Vasion · Vasion Print Virtual Appliance Hostversion=* <25.2.169

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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