HIGH CVSS 7.8
Published: 2021-03-25

CVE-2020-6771

bosch ip_helper Security Advisory (CVE-2020-6771)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-6771 impacting bosch ip_helper. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
Loading a DLL through an Uncontrolled Search Path Element in Bosch IP Helper up to and including version 1.00.0008 potentially allows an attacker to execute arbitrary code on a victim's system. A prerequisite is that the victim is tricked into placing a malicious DLL in the same application directory as the portable IP Helper application.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
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
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 bosch / ip_helper
Affected Versions *
Weakness Enumeration CWE-427

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-2020-6771 impacting bosch ip_helper.

⚡ Nuclei Detection Template (YAML) cve-2020-6771.yaml
id: cve-2020-6771

info:
  name: bosch ip_helper - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2020-6771 affecting bosch ip_helper.
    Evaluation: Loading a DLL through an Uncontrolled Search Path Element in Bosch IP Helper up to and including version 1.00.0008 potentially allows an attacker to e...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-6771
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 7.8
    cve-id: CVE-2020-6771
    cwe-id: CWE-427
  tags: cve,cve-2020-6771,bosch,ip_helper,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "ip_helper"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-6771.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-6771
# Target: bosch ip_helper | CVSS: 7.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-6771 (bosch ip_helper)...")
    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 bosch ip_helper 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-2020-6771.sh
# Recommended Remediation & Patching Commands for CVE-2020-6771
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install ip_helper 2>/dev/null || \
sudo dnf upgrade ip_helper 2>/dev/null || \
sudo yum update ip_helper

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

# 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-2020-6771 in bosch ip_helper?

Review vendor-specific security notices and update bosch ip_helper 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-2020-6771?

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-2020-6771?

CVE-2020-6771 is classified with a CVSS 3.1 Base Score of 7.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
HIGH SEVERITY
CVE ID CVE-2020-6771
Weakness CWE-427
Vendor bosch
Product ip_helper
Published 2021-03-25
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H