MEDIUM CVSS 4.6
Published: 2021-01-26

CVE-2021-23272

tibco bpm_enterprise Security Advisory (CVE-2021-23272)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2021-23272 impacting tibco bpm_enterprise. Evaluated with CVSS Base Score of 4.6 (MEDIUM).

Original NVD Description

Source: NIST NVD
The Application Development Clients component of TIBCO Software Inc.'s TIBCO BPM Enterprise and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric contains a vulnerability that theoretically allows a low privileged attacker with network access to execute a Cross Site Scripting (XSS) attack on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO BPM Enterprise: versions 4.3.0 and below and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric: versions 4.3.0 and below.

📊 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
Low (PR:L)
Standard user access required
User Interaction
Required (UI:R)
User must click or open resource
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 / bpm_enterprise
Affected Versions *
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-2021-23272 impacting tibco bpm_enterprise.

⚡ Nuclei Detection Template (YAML) cve-2021-23272.yaml
id: cve-2021-23272

info:
  name: tibco bpm_enterprise - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2021-23272 affecting tibco bpm_enterprise.
    Evaluation: The Application Development Clients component of TIBCO Software Inc.'s TIBCO BPM Enterprise and TIBCO BPM Enterprise Distribution for TIBCO Silve...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2021-23272
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
    cvss-score: 4.6
    cve-id: CVE-2021-23272
    cwe-id: CWE-79
  tags: cve,cve-2021-23272,tibco,bpm_enterprise,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "bpm_enterprise"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2021-23272.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2021-23272
# Target: tibco bpm_enterprise | CVSS: 4.6 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2021-23272 (tibco bpm_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 tibco bpm_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-2021-23272.sh
# Recommended Remediation & Patching Commands for CVE-2021-23272
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install bpm_enterprise 2>/dev/null || \
sudo dnf upgrade bpm_enterprise 2>/dev/null || \
sudo yum update bpm_enterprise

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

# 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-2021-23272 in tibco bpm_enterprise?

Review vendor-specific security notices and update tibco bpm_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-2021-23272?

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-2021-23272?

CVE-2021-23272 is classified with a CVSS 3.1 Base Score of 4.6 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.6
MEDIUM SEVERITY
CVE ID CVE-2021-23272
Weakness CWE-79
Vendor tibco
Product bpm_enterprise
Published 2021-01-26
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N