HIGH CVSS 7.2
Published: 2021-04-23

CVE-2020-7034

avaya session_border_controller_for_enterprise Security Advisory (CVE-2020-7034)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-7034 impacting avaya session_border_controller_for_enterprise. Evaluated with CVSS Base Score of 7.2 (HIGH).

Original NVD Description

Source: NIST NVD
A command injection vulnerability in Avaya Session Border Controller for Enterprise could allow an authenticated, remote attacker to send specially crafted messages and execute arbitrary commands with the affected system privileges. Affected versions of Avaya Session Border Controller for Enterprise include 7.x, 8.0 through 8.1.1.x

📊 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
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product avaya / session_border_controller_for_enterprise
Affected Versions *
Weakness Enumeration CWE-78

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-2020-7034 impacting avaya session_border_controller_for_enterprise.

⚡ Nuclei Detection Template (YAML) cve-2020-7034.yaml
id: cve-2020-7034

info:
  name: avaya session_border_controller_for_enterprise - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2020-7034 affecting avaya session_border_controller_for_enterprise.
    Evaluation: A command injection vulnerability in Avaya Session Border Controller for Enterprise could allow an authenticated, remote attacker to send specially cr...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-7034
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 7.2
    cve-id: CVE-2020-7034
    cwe-id: CWE-78
  tags: cve,cve-2020-7034,avaya,session_border_controller,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "session_border_controller_for_enterprise"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-7034.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-7034
# Target: avaya session_border_controller_for_enterprise | CVSS: 7.2 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-7034 (avaya session_border_controller_for_enterprise)...")
    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 avaya session_border_controller_for_enterprise 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-2020-7034.sh
# Recommended Remediation & Patching Commands for CVE-2020-7034
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install session_border_controller 2>/dev/null || \
sudo dnf upgrade session_border_controller 2>/dev/null || \
sudo yum update session_border_controller

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

# 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
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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2020-7034 in avaya session_border_controller_for_enterprise?

Review vendor-specific security notices and update avaya session_border_controller_for_enterprise 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-2020-7034?

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-2020-7034?

CVE-2020-7034 is classified with a CVSS 3.1 Base Score of 7.2 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.2
HIGH SEVERITY
CVE ID CVE-2020-7034
Weakness CWE-78
Vendor avaya
Product session_border_controller_for_enterprise
Published 2021-04-23
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H