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RumpusApplication · Maxum

CVE-2025-55055

CRITICAL · 9.8 CVSS v3.1 Published 2025-11-17
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

OS Command Injection vulnerability (CWE-78) with CVSS 9.8 (Critical). Allows remote attackers to execute arbitrary operating system commands due to improper neutralization of special elements used in OS command execution.

MitigationReplace unsafe command execution with parameterized APIs or implement strict allowlist input validation; audit all user-controlled inputs in command execution paths.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
RumpusApplication
Affected:= 9.0.12

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm Maxum Rumpus is installed
    Identify Maxum Rumpus installation by checking common installation directories (e.g., /Applications on macOS, C:\Program Files on Windows) or running 'ps' / task manager for the running process
    Affected if Maxum Rumpus is installed and running on the system
  2. Check installed version
    Run the Rumpus application or check its About/Version information panel, or query the installed package if installed via package manager
    Affected if Version is exactly 9.0.12
  3. Verify web service is enabled
    Check if Rumpus web service or FTP service is running by inspecting running services/process list, and verify the web interface port is listening (commonly port 8080 or 443)
    Affected if Web or FTP service is active and accepting connections
  4. Check network exposure
    Review firewall rules and network configuration to determine if the Rumpus service port is accessible from untrusted networks
    Affected if Service is exposed to untrusted networks or the internet without proper access controls
  5. Identify vulnerable input paths
    Inspect Rumpus configuration to identify which user input fields or parameters can interact with system commands (e.g., file upload, filename, or custom command features)
    Affected if Features accepting user-supplied input that could reach system command execution paths are enabled

A user is affected if Maxum Rumpus version 9.0.12 is installed with network-accessible services and user input can reach system command execution functions.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Replace unsafe command execution with parameterized APIs or implement strict allowlist input validation; audit all user-controlled inputs in command execution paths.

Recommended fix Moderate confidence

Latest available version of Rumpus (contact vendor for specific version number post-fix)

  1. 1. Check the current installed version of Rumpus to confirm it is version 9.0.12
  2. 2. Identify the vendor's official channels for security updates (vendor website, security advisories, or contact support)
  3. 3. Obtain and apply the latest security patch or updated version released by the Rumpus vendor after the disclosure of CVE-2025-55055
  4. 4. Verify the remediation by checking that the command injection vulnerability is no longer present
  5. 5. Test the Rumpus service to ensure normal functionality after the update
Caveat Review vendor release notes for any changes in functionality or configuration requirements

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Rumpus Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-55055 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data