MEDIUM CVSS 4.9
Published: 2025-07-12

CVE-2023-39339

ivanti policy_secure Security Advisory (CVE-2023-39339)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2023-39339 impacting ivanti policy_secure. Evaluated with CVSS Base Score of 4.9 (MEDIUM).

Original NVD Description

Source: NIST NVD
A vulnerability exists on all versions of Ivanti Policy Secure below 22.6R1 where an authenticated administrator can perform an arbitrary file read via a maliciously crafted web request.

📊 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
High (PR:H)
Administrative credentials required
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 ivanti / policy_secure
Affected Versions *
Weakness Enumeration CWE-22

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-2023-39339 impacting ivanti policy_secure.

⚡ Nuclei Detection Template (YAML) cve-2023-39339.yaml
id: cve-2023-39339

info:
  name: ivanti policy_secure - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2023-39339 affecting ivanti policy_secure.
    Evaluation: A vulnerability exists on all versions of Ivanti Policy Secure below 22.6R1 where an authenticated administrator can perform an arbitrary file read vi...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2023-39339
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 4.9
    cve-id: CVE-2023-39339
    cwe-id: CWE-22
  tags: cve,cve-2023-39339,ivanti,policy_secure,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "policy_secure"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2023-39339.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2023-39339
# Target: ivanti policy_secure | CVSS: 4.9 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2023-39339 (ivanti policy_secure)...")
    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 ivanti policy_secure 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-2023-39339.sh
# Recommended Remediation & Patching Commands for CVE-2023-39339
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install policy_secure 2>/dev/null || \
sudo dnf upgrade policy_secure 2>/dev/null || \
sudo yum update policy_secure

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

# 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-2023-39339 in ivanti policy_secure?

Review vendor-specific security notices and update ivanti policy_secure 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-2023-39339?

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-2023-39339?

CVE-2023-39339 is classified with a CVSS 3.1 Base Score of 4.9 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.9
MEDIUM SEVERITY
CVE ID CVE-2023-39339
Weakness CWE-22
Vendor ivanti
Product policy_secure
Published 2025-07-12
Vector CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N