CRITICAL CVSS 9.8
Published: 2021-04-08

CVE-2021-22507

microfocus operations_bridge_manager Security Advisory (CVE-2021-22507)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2021-22507?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2021-22507 impacting microfocus operations_bridge_manager. Evaluated with CVSS Base Score of 9.8 (CRITICAL).

Original NVD Description

Source: NIST NVD
Authentication bypass vulnerability in Micro Focus Operations Bridge Manager affects versions 2019.05, 2019.11, 2020.05 and 2020.10. The vulnerability could allow remote attackers to bypass user authentication and get unauthorized access.

📊 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
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 microfocus / operations_bridge_manager
Affected Versions 2019.05
Weakness Enumeration CWE-287

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-2021-22507 impacting microfocus operations_bridge_manager.

⚡ Nuclei Detection Template (YAML) cve-2021-22507.yaml
id: cve-2021-22507

info:
  name: microfocus operations_bridge_manager - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: critical
  description: |
    Automated signature & scanner for CVE-2021-22507 affecting microfocus operations_bridge_manager.
    Evaluation: Authentication bypass vulnerability in Micro Focus Operations Bridge Manager affects versions 2019.05, 2019.11, 2020.05 and 2020.10. The vulnerability...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2021-22507
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-22507
    cwe-id: CWE-287
  tags: cve,cve-2021-22507,microfocus,operations_bridge_manager,critical

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "operations_bridge_manager"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2021-22507.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2021-22507
# Target: microfocus operations_bridge_manager | CVSS: 9.8 (CRITICAL)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2021-22507 (microfocus operations_bridge_manager)...")
    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 microfocus operations_bridge_manager scope (2019.05).")
        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-2021-22507.sh
# Recommended Remediation & Patching Commands for CVE-2021-22507
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install operations_bridge_manager 2>/dev/null || \
sudo dnf upgrade operations_bridge_manager 2>/dev/null || \
sudo yum update operations_bridge_manager

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

# 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-2021-22507 in microfocus operations_bridge_manager?

Review vendor-specific security notices and update microfocus operations_bridge_manager 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-2021-22507?

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-2021-22507?

CVE-2021-22507 is classified with a CVSS 3.1 Base Score of 9.8 (CRITICAL). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
9.8
CRITICAL SEVERITY
CVE ID CVE-2021-22507
Weakness CWE-287
Vendor microfocus
Product operations_bridge_manager
Published 2021-04-08
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H