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Gemscms BackendApplication · Aptsys

CVE-2025-52024

CRITICAL · 9.4 CVSS v3.1 Published 2026-01-23
Fix available
A fix is available. Upgrade to after 2025-05-28 or later.
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
A vulnerability exists in the Aptsys POS Platform Web Services module thru 2025-05-28, which exposes internal API testing tools to unauthenticated users. By accessing specific URLs, an attacker is presented with a directory-style index listing all available backend services and POS web services, each with an HTML form for submitting test input. These panels are intended for developer use, but are accessible in production environments with no authentication or session validation. This grants any external actor the ability to discover, test, and execute API endpoints that perform critical functions including but not limited to user transaction retrieval, credit adjustments, POS actions, and internal data queries.

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

The Aptsys POS Platform Web Services module exposes internal developer API testing tools to unauthenticated users via specific URLs that present directory-style listings with HTML forms for backend service testing. These development panels, intended only for internal use, remain accessible in production environments without any authentication, allowing attackers to discover and execute critical API endpoints for transactions, credit adjustments, and internal data queries.

MitigationImmediately restrict access to or remove the exposed API testing interfaces from production environments by implementing authentication requirements, IP allow-listing, or complete removal of debug/testing endpoints from production builds.

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
Gemscms BackendApplication
Affected:<= 2025-05-28

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
Low

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

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 if Aptsys Gemscms Backend is installed
    Locate the Aptsys Gemscms Backend installation directory and check for the presence of the gemscms software files or check the installed version using the system's package manager or application inventory
    Affected if Aptsys Gemscms Backend version is 2025-05-28 or earlier
  2. Check if Web Services module is present
    Examine the Aptsys Gemscms installation for the Web Services module directory or configuration files, typically found under the main application path
    Affected if The Web Services module directory or associated configuration files exist in the installation
  3. Scan for exposed developer API testing panels
    Search for common developer testing panel URL patterns such as /dev/, /test/, /debug/, /api-test/, /internal/, or /web-services/test/ by probing the web server or reviewing accessible URL routes
    Affected if Directory-style listings with HTML forms for backend service testing are accessible without authentication
  4. Verify authentication requirements on testing endpoints
    Attempt to access the discovered developer testing URLs without providing any credentials, or check the authentication configuration for these specific endpoints
    Affected if The testing interfaces are accessible without requiring any login or authentication token
  5. Confirm the installed version is within affected range
    Compare your installed Aptsys Gemscms Backend version against the affected version 2025-05-28, typically found in application metadata, version files, or the software bill of materials
    Affected if The installed version is 2025-05-28 or earlier

A user is affected if the Aptsys Gemscms Backend version is 2025-05-28 or earlier and the Web Services module exposes unauthenticated developer API testing panels accessible via specific URLs.

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
Upgrade available Upgrade to a release after 2025-05-28
Interim mitigation

Immediately restrict access to or remove the exposed API testing interfaces from production environments by implementing authentication requirements, IP allow-listing, or complete removal of debug/testing endpoints from production builds.

Fix this in Gemscms Backend 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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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-2025-52024 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