HIGH CVSS 7.5
Published: 2021-01-13

CVE-2020-14097

mi redmi_ax6_firmware Security Advisory (CVE-2020-14097)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-14097 impacting mi redmi_ax6_firmware. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
Wrong nginx configuration, causing specific paths to be downloaded without authorization. This affects Xiaomi router AX6 ROM version < 1.0.18.

📊 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
None (C:N)
No data confidentiality impact
Integrity
High (I:H)
Total modification of target system
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product mi / redmi_ax6_firmware
Affected Versions *
Weakness Enumeration NVD-CWE-noinfo

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-2020-14097 impacting mi redmi_ax6_firmware.

⚡ Nuclei Detection Template (YAML) cve-2020-14097.yaml
id: cve-2020-14097

info:
  name: mi redmi_ax6_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2020-14097 affecting mi redmi_ax6_firmware.
    Evaluation: Wrong nginx configuration, causing specific paths to be downloaded without authorization. This affects Xiaomi router AX6 ROM version &lt; 1.0.18....
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-14097
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-14097
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2020-14097,mi,redmi_ax6_firmware,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "redmi_ax6_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-14097.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-14097
# Target: mi redmi_ax6_firmware | CVSS: 7.5 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-14097 (mi redmi_ax6_firmware)...")
    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 mi redmi_ax6_firmware 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-2020-14097.sh
# Recommended Remediation & Patching Commands for CVE-2020-14097
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install redmi_ax6_firmware 2>/dev/null || \
sudo dnf upgrade redmi_ax6_firmware 2>/dev/null || \
sudo yum update redmi_ax6_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i redmi_ax6_firmware 2>/dev/null || rpm -qa | grep -i redmi_ax6_firmware

# 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-2020-14097 in mi redmi_ax6_firmware?

Review vendor-specific security notices and update mi redmi_ax6_firmware 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-2020-14097?

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-2020-14097?

CVE-2020-14097 is classified with a CVSS 3.1 Base Score of 7.5 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
HIGH SEVERITY
CVE ID CVE-2020-14097
Weakness NVD-CWE-noinfo
Vendor mi
Product redmi_ax6_firmware
Published 2021-01-13
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N