MEDIUM CVSS 6.5
Published: 2017-09-01

CVE-2016-1895

netapp data_ontap Security Advisory (CVE-2016-1895)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2016-1895 impacting netapp data_ontap. Evaluated with CVSS Base Score of 6.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
NetApp Data ONTAP before 8.2.5 and 8.3.x before 8.3.2P12 allow remote authenticated users to cause a denial of service via vectors related to unsafe user input string handling.

📊 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
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product netapp / data_ontap
Affected Versions *
Weakness Enumeration CWE-134

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-2016-1895 impacting netapp data_ontap.

⚡ Nuclei Detection Template (YAML) cve-2016-1895.yaml
id: cve-2016-1895

info:
  name: netapp data_ontap - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2016-1895 affecting netapp data_ontap.
    Evaluation: NetApp Data ONTAP before 8.2.5 and 8.3.x before 8.3.2P12 allow remote authenticated users to cause a denial of service via vectors related to unsafe u...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2016-1895
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 6.5
    cve-id: CVE-2016-1895
    cwe-id: CWE-134
  tags: cve,cve-2016-1895,netapp,data_ontap,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "data_ontap"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2016-1895.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2016-1895
# Target: netapp data_ontap | CVSS: 6.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2016-1895 (netapp data_ontap)...")
    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 netapp data_ontap 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-2016-1895.sh
# Recommended Remediation & Patching Commands for CVE-2016-1895
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install data_ontap 2>/dev/null || \
sudo dnf upgrade data_ontap 2>/dev/null || \
sudo yum update data_ontap

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

# 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-2016-1895 in netapp data_ontap?

Review vendor-specific security notices and update netapp data_ontap 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-2016-1895?

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-2016-1895?

CVE-2016-1895 is classified with a CVSS 3.1 Base Score of 6.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.5
MEDIUM SEVERITY
CVE ID CVE-2016-1895
Weakness CWE-134
Vendor netapp
Product data_ontap
Published 2017-09-01
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H