MEDIUM CVSS 4.3
Published: 2022-12-09

CVE-2022-29838

westerndigital my_cloud_os Security Advisory (CVE-2022-29838)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-29838 impacting westerndigital my_cloud_os. Evaluated with CVSS Base Score of 4.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
Improper Authentication vulnerability in the encrypted volumes and auto mount features of Western Digital My Cloud devices allows insecure direct access to the drive information in the case of a device reset. This issue affects: Western Digital My Cloud My Cloud versions prior to 5.25.124 on Linux.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Physical (AV:P)
Requires physical access to target hardware
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
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 westerndigital / my_cloud_os
Affected Versions *
Weakness Enumeration CWE-287

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-2022-29838 impacting westerndigital my_cloud_os.

⚡ Nuclei Detection Template (YAML) cve-2022-29838.yaml
id: cve-2022-29838

info:
  name: westerndigital my_cloud_os - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-29838 affecting westerndigital my_cloud_os.
    Evaluation: Improper Authentication vulnerability in the encrypted volumes and auto mount features of Western Digital My Cloud devices allows insecure direct acce...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-29838
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
    cvss-score: 4.3
    cve-id: CVE-2022-29838
    cwe-id: CWE-287
  tags: cve,cve-2022-29838,westerndigital,my_cloud_os,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "my_cloud_os"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-29838.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-29838
# Target: westerndigital my_cloud_os | CVSS: 4.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-29838 (westerndigital my_cloud_os)...")
    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 westerndigital my_cloud_os 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-2022-29838.sh
# Recommended Remediation & Patching Commands for CVE-2022-29838
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install my_cloud_os 2>/dev/null || \
sudo dnf upgrade my_cloud_os 2>/dev/null || \
sudo yum update my_cloud_os

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2022-29838 in westerndigital my_cloud_os?

Review vendor-specific security notices and update westerndigital my_cloud_os 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-2022-29838?

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-2022-29838?

CVE-2022-29838 is classified with a CVSS 3.1 Base Score of 4.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.3
MEDIUM SEVERITY
CVE ID CVE-2022-29838
Weakness CWE-287
Vendor westerndigital
Product my_cloud_os
Published 2022-12-09
Vector CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N