HIGH CVSS 7.5
Published: 2022-11-30

CVE-2022-23746

checkpoint ssl_network_extender Security Advisory (CVE-2022-23746)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-23746 impacting checkpoint ssl_network_extender. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
The IPsec VPN blade has a dedicated portal for downloading and connecting through SSL Network Extender (SNX). If the portal is configured for username/password authentication, it is vulnerable to a brute-force attack on usernames and passwords.

📊 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
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 checkpoint / ssl_network_extender
Affected Versions r80.20
Weakness Enumeration CWE-307

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-2022-23746 impacting checkpoint ssl_network_extender.

⚡ Nuclei Detection Template (YAML) cve-2022-23746.yaml
id: cve-2022-23746

info:
  name: checkpoint ssl_network_extender - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2022-23746 affecting checkpoint ssl_network_extender.
    Evaluation: The IPsec VPN blade has a dedicated portal for downloading and connecting through SSL Network Extender (SNX). If the portal is configured for username...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-23746
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2022-23746
    cwe-id: CWE-307
  tags: cve,cve-2022-23746,checkpoint,ssl_network_extender,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "ssl_network_extender"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-23746.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-23746
# Target: checkpoint ssl_network_extender | 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-2022-23746 (checkpoint ssl_network_extender)...")
    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 checkpoint ssl_network_extender scope (r80.20).")
        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-2022-23746.sh
# Recommended Remediation & Patching Commands for CVE-2022-23746
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install ssl_network_extender 2>/dev/null || \
sudo dnf upgrade ssl_network_extender 2>/dev/null || \
sudo yum update ssl_network_extender

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

# 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-2022-23746 in checkpoint ssl_network_extender?

Review vendor-specific security notices and update checkpoint ssl_network_extender 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-2022-23746?

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-2022-23746?

CVE-2022-23746 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-2022-23746
Weakness CWE-307
Vendor checkpoint
Product ssl_network_extender
Published 2022-11-30
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N