Unrestricted File UploadWeakness · CWE-434

CVE-2025-53970

CRITICAL · 9.8 CVSS v3.0 Published 2025-08-28
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
SS1 Ver.16.0.0.10 and earlier (Media version:16.0.0a and earlier) allows a remote unauthenticated attacker to upload arbitrary files and execute OS commands with SYSTEM privileges.

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 · high confidence

This is a critical file upload and command injection vulnerability in SS1 versions 16.0.0.10 and earlier (Media version 16.0.0a and earlier). A remote unauthenticated attacker can upload arbitrary files to the affected system and subsequently execute OS commands with SYSTEM privileges, granting them full administrative control over the compromised host.

MitigationUpgrade to SS1 Ver.16.0.0.11 or later (Media version:16.0.0b or later). If immediate patching is not possible, restrict network access to the affected system and monitor for unauthorized file upload activities.

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

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:3.0/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. Identify installed SS1 version
    Check the product version through the system administration interface, installer properties, or version information file. Common locations include the help/about section or registry entries for installed software.
    Affected if The installed version is SS1 version 16.0.0.10 or earlier, or Media version 16.0.0a or earlier
  2. Verify Media component version
    If the product includes a Media component, check its version separately through the component information panel or associated configuration files.
    Affected if The Media component version is 16.0.0a or earlier
  3. Inspect file upload directories
    Examine the directories configured for file uploads on the system. Look for unexpected or unrecognized file types, particularly executable files, scripts, or web shells placed in web-accessible folders.
    Affected if Unexpected files exist in upload directories, especially executable or script files that were not intentionally placed there
  4. Review system for unauthorized command execution
    Check system logs, process listings, and scheduled tasks for any suspicious commands or processes running with elevated privileges. Look for command execution that aligns with the timeframe of potential exploitation.
    Affected if Unauthorized commands have been executed, particularly with SYSTEM-level privileges, or suspicious processes are running from upload directories

A system is affected if it runs SS1 version 16.0.0.10 or earlier (or Media version 16.0.0a or earlier) AND has exposed file upload functionality accessible to unauthenticated users.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade to SS1 Ver.16.0.0.11 or later (Media version:16.0.0b or later). If immediate patching is not possible, restrict network access to the affected system and monitor for unauthorized file upload activities.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation2.0 h
  • Testing4.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,120
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-53970 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

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-2025-53970 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