CRITICAL CVSS 9.4
Published: 2026-01-23

CVE-2025-52024

aptsys gemscms_backend Security Advisory (CVE-2025-52024)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2025-52024?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-52024 impacting aptsys gemscms_backend. Evaluated with CVSS Base Score of 9.4 (CRITICAL).

Original NVD Description

Source: NIST NVD
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.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product aptsys / gemscms_backend
Affected Versions *
Weakness Enumeration CWE-306

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2025-52024 impacting aptsys gemscms_backend.

⚡ Nuclei Detection Template (YAML) cve-2025-52024.yaml
id: cve-2025-52024

info:
  name: aptsys gemscms_backend - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: critical
  description: |
    Automated signature & scanner for CVE-2025-52024 affecting aptsys gemscms_backend.
    Evaluation: A vulnerability exists in the Aptsys POS Platform Web Services module thru 2025-05-28, which exposes internal API testing tools to unauthenticated use...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-52024
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
    cvss-score: 9.4
    cve-id: CVE-2025-52024
    cwe-id: CWE-306
  tags: cve,cve-2025-52024,aptsys,gemscms_backend,critical

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "gemscms_backend"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-52024.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-52024
# Target: aptsys gemscms_backend | CVSS: 9.4 (CRITICAL)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-52024 (aptsys gemscms_backend)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against aptsys gemscms_backend scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2025-52024.sh
# Recommended Remediation & Patching Commands for CVE-2025-52024
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install gemscms_backend 2>/dev/null || \
sudo dnf upgrade gemscms_backend 2>/dev/null || \
sudo yum update gemscms_backend

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i gemscms_backend 2>/dev/null || rpm -qa | grep -i gemscms_backend

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-52024 in aptsys gemscms_backend?

Review vendor-specific security notices and update aptsys gemscms_backend packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2025-52024?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2025-52024?

CVE-2025-52024 is classified with a CVSS 3.1 Base Score of 9.4 (CRITICAL). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
9.4
CRITICAL SEVERITY
CVE ID CVE-2025-52024
Weakness CWE-306
Vendor aptsys
Product gemscms_backend
Published 2026-01-23
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L