MEDIUM CVSS 5.0
Published: 2017-04-14

CVE-2017-7457

moxa mx-aopc_server Security Advisory (CVE-2017-7457)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-7457 impacting moxa mx-aopc_server. Evaluated with CVSS Base Score of 5.0 (MEDIUM).

Original NVD Description

Source: NIST NVD
XML External Entity via ".AOP" files used by Moxa MX-AOPC Server 1.5 result in remote file disclosure.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product moxa / mx-aopc_server
Affected Versions 1.5
Weakness Enumeration CWE-611

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-2017-7457 impacting moxa mx-aopc_server.

⚡ Nuclei Detection Template (YAML) cve-2017-7457.yaml
id: cve-2017-7457

info:
  name: moxa mx-aopc_server - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2017-7457 affecting moxa mx-aopc_server.
    Evaluation: XML External Entity via ".AOP" files used by Moxa MX-AOPC Server 1.5 result in remote file disclosure....
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-7457
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
    cvss-score: 5.0
    cve-id: CVE-2017-7457
    cwe-id: CWE-611
  tags: cve,cve-2017-7457,moxa,mx-aopc_server,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "mx-aopc_server"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-7457.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-7457
# Target: moxa mx-aopc_server | CVSS: 5.0 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2017-7457 (moxa mx-aopc_server)...")
    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 moxa mx-aopc_server scope (1.5).")
        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-2017-7457.sh
# Recommended Remediation & Patching Commands for CVE-2017-7457
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install mx-aopc_server 2>/dev/null || \
sudo dnf upgrade mx-aopc_server 2>/dev/null || \
sudo yum update mx-aopc_server

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

# 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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2017-7457 in moxa mx-aopc_server?

Review vendor-specific security notices and update moxa mx-aopc_server 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-2017-7457?

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-2017-7457?

CVE-2017-7457 is classified with a CVSS 3.1 Base Score of 5.0 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.0
MEDIUM SEVERITY
CVE ID CVE-2017-7457
Weakness CWE-611
Vendor moxa
Product mx-aopc_server
Published 2017-04-14
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N