MEDIUM CVSS 5.0
Published: 2022-11-02

CVE-2021-45446

hitachi vantara_pentaho Security Advisory (CVE-2021-45446)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2021-45446 impacting hitachi vantara_pentaho. Evaluated with CVSS Base Score of 5.0 (MEDIUM).

Original NVD Description

Source: NIST NVD
A vulnerability in Hitachi Vantara Pentaho Business Analytics Server versions before 9.2.0.2 and 8.3.0.25 does not cascade the hidden property to the children of the Home folder.  This directory listing provides an attacker with the complete index of all the resources located inside the directory.

📊 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
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
Low (C:L)
Partial information leakage
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product hitachi / vantara_pentaho
Affected Versions *
Weakness Enumeration CWE-548

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-2021-45446 impacting hitachi vantara_pentaho.

⚡ Nuclei Detection Template (YAML) cve-2021-45446.yaml
id: cve-2021-45446

info:
  name: hitachi vantara_pentaho - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2021-45446 affecting hitachi vantara_pentaho.
    Evaluation: A vulnerability in 

Hitachi Vantara Pentaho Business Analytics Server versions before 9.2.0.2 and 
8.3.0.25 does not cascade the hidden property to t...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2021-45446
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
    cvss-score: 5.0
    cve-id: CVE-2021-45446
    cwe-id: CWE-548
  tags: cve,cve-2021-45446,hitachi,vantara_pentaho,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "vantara_pentaho"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2021-45446.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2021-45446
# Target: hitachi vantara_pentaho | 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-2021-45446 (hitachi vantara_pentaho)...")
    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 hitachi vantara_pentaho 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-2021-45446.sh
# Recommended Remediation & Patching Commands for CVE-2021-45446
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install vantara_pentaho 2>/dev/null || \
sudo dnf upgrade vantara_pentaho 2>/dev/null || \
sudo yum update vantara_pentaho

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

# 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-2021-45446 in hitachi vantara_pentaho?

Review vendor-specific security notices and update hitachi vantara_pentaho 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-2021-45446?

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-2021-45446?

CVE-2021-45446 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-2021-45446
Weakness CWE-548
Vendor hitachi
Product vantara_pentaho
Published 2022-11-02
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N