MEDIUM CVSS 6.6
Published: 2021-01-05

CVE-2020-7336

mcafee network_security_management Security Advisory (CVE-2020-7336)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-7336 impacting mcafee network_security_management. Evaluated with CVSS Base Score of 6.6 (MEDIUM).

Original NVD Description

Source: NIST NVD
Cross Site Request Forgery vulnerability in McAfee Network Security Management (NSM) prior to 10.1.7.35 and NSM 9.x prior to 9.2.9.55 may allow an attacker to change the configuration of the Network Security Manager via a carefully crafted HTTP request.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Adjacent (AV:A)
Requires shared subnet / local network access
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
Changed (S:C)
Impacts components beyond caller authority
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 mcafee / network_security_management
Affected Versions *
Weakness Enumeration CWE-352

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-2020-7336 impacting mcafee network_security_management.

⚡ Nuclei Detection Template (YAML) cve-2020-7336.yaml
id: cve-2020-7336

info:
  name: mcafee network_security_management - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2020-7336 affecting mcafee network_security_management.
    Evaluation: Cross Site Request Forgery vulnerability in McAfee Network Security Management (NSM) prior to 10.1.7.35 and NSM 9.x prior to 9.2.9.55 may allow an att...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-7336
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
    cvss-score: 6.6
    cve-id: CVE-2020-7336
    cwe-id: CWE-352
  tags: cve,cve-2020-7336,mcafee,network_security_manageme,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "network_security_management"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-7336.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-7336
# Target: mcafee network_security_management | CVSS: 6.6 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-7336 (mcafee network_security_management)...")
    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 mcafee network_security_management 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-2020-7336.sh
# Recommended Remediation & Patching Commands for CVE-2020-7336
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install network_security_manageme 2>/dev/null || \
sudo dnf upgrade network_security_manageme 2>/dev/null || \
sudo yum update network_security_manageme

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

# 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
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Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2020-7336 in mcafee network_security_management?

Review vendor-specific security notices and update mcafee network_security_management 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-2020-7336?

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-2020-7336?

CVE-2020-7336 is classified with a CVSS 3.1 Base Score of 6.6 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.6
MEDIUM SEVERITY
CVE ID CVE-2020-7336
Weakness CWE-352
Vendor mcafee
Product network_security_management
Published 2021-01-05
Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H