MEDIUM CVSS 6.1
Published: 2021-01-11

CVE-2020-35725

quest policy_authority_for_unified_communications Security Advisory (CVE-2020-35725)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2020-35725?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-35725 impacting quest policy_authority_for_unified_communications. Evaluated with CVSS Base Score of 6.1 (MEDIUM).

Original NVD Description

Source: NIST NVD
Reflected XSS in Quest Policy Authority 8.1.2.200 allows remote attackers to inject malicious code into the browser via a specially crafted link to the /WebCM/index.jsp file via the msg parameter. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

📊 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
Required (UI:R)
User must click or open resource
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product quest / policy_authority_for_unified_communications
Affected Versions 8.1.2.200
Weakness Enumeration CWE-79

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-2020-35725 impacting quest policy_authority_for_unified_communications.

⚡ Nuclei Detection Template (YAML) cve-2020-35725.yaml
id: cve-2020-35725

info:
  name: quest policy_authority_for_unified_communications - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2020-35725 affecting quest policy_authority_for_unified_communications.
    Evaluation: Reflected XSS in Quest Policy Authority 8.1.2.200 allows remote attackers to inject malicious code into the browser via a specially crafted link to th...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-35725
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2020-35725
    cwe-id: CWE-79
  tags: cve,cve-2020-35725,quest,policy_authority_for_unif,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "policy_authority_for_unified_communications"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-35725.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-35725
# Target: quest policy_authority_for_unified_communications | CVSS: 6.1 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-35725 (quest policy_authority_for_unified_communications)...")
    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 quest policy_authority_for_unified_communications scope (8.1.2.200).")
        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-2020-35725.sh
# Recommended Remediation & Patching Commands for CVE-2020-35725
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install policy_authority_for_unif 2>/dev/null || \
sudo dnf upgrade policy_authority_for_unif 2>/dev/null || \
sudo yum update policy_authority_for_unif

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

# 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-2020-35725 in quest policy_authority_for_unified_communications?

Review vendor-specific security notices and update quest policy_authority_for_unified_communications 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-2020-35725?

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-2020-35725?

CVE-2020-35725 is classified with a CVSS 3.1 Base Score of 6.1 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.1
MEDIUM SEVERITY
CVE ID CVE-2020-35725
Weakness CWE-79
Vendor quest
Product policy_authority_for_unified_communications
Published 2021-01-11
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N