MEDIUM CVSS 6.5
Published: 2020-12-15

CVE-2020-27147

tibco partnerexpress Security Advisory (CVE-2020-27147)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-27147 impacting tibco partnerexpress. Evaluated with CVSS Base Score of 6.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
The REST API component of TIBCO Software Inc.'s TIBCO PartnerExpress contains a vulnerability that theoretically allows an unauthenticated attacker with network access to obtain an authenticated login URL for the affected system via a REST API. Affected releases are TIBCO Software Inc.'s TIBCO PartnerExpress: version 6.2.0.

📊 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
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 tibco / partnerexpress
Affected Versions 6.2.0
Weakness Enumeration NVD-CWE-noinfo

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-2020-27147 impacting tibco partnerexpress.

⚡ Nuclei Detection Template (YAML) cve-2020-27147.yaml
id: cve-2020-27147

info:
  name: tibco partnerexpress - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2020-27147 affecting tibco partnerexpress.
    Evaluation: The REST API component of TIBCO Software Inc.'s TIBCO PartnerExpress contains a vulnerability that theoretically allows an unauthenticated attack...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-27147
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
    cvss-score: 6.5
    cve-id: CVE-2020-27147
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2020-27147,tibco,partnerexpress,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "partnerexpress"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-27147.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-27147
# Target: tibco partnerexpress | CVSS: 6.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-27147 (tibco partnerexpress)...")
    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 tibco partnerexpress scope (6.2.0).")
        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-2020-27147.sh
# Recommended Remediation & Patching Commands for CVE-2020-27147
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install partnerexpress 2>/dev/null || \
sudo dnf upgrade partnerexpress 2>/dev/null || \
sudo yum update partnerexpress

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

# 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-2020-27147 in tibco partnerexpress?

Review vendor-specific security notices and update tibco partnerexpress 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-2020-27147?

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-2020-27147?

CVE-2020-27147 is classified with a CVSS 3.1 Base Score of 6.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.5
MEDIUM SEVERITY
CVE ID CVE-2020-27147
Weakness NVD-CWE-noinfo
Vendor tibco
Product partnerexpress
Published 2020-12-15
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N