UNKNOWN CVSS 9.3
Published: 2011-03-22

CVE-2011-0331

honeywell scanserver_activex_control Security Advisory (CVE-2011-0331)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2011-0331 impacting honeywell scanserver_activex_control. Evaluated with CVSS Base Score of 9.3 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Use-after-free vulnerability in the addOSPLext method in the Honeywell ScanServer ActiveX control 780.0.20.5 allows remote attackers to execute arbitrary code via a crafted HTML document.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries

🎯 Affected Versions Matrix

Affected Product honeywell / scanserver_activex_control
Affected Versions 780.0.20.5
Weakness Enumeration CWE-399

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-2011-0331 impacting honeywell scanserver_activex_control.

⚡ Nuclei Detection Template (YAML) cve-2011-0331.yaml
id: cve-2011-0331

info:
  name: honeywell scanserver_activex_control - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2011-0331 affecting honeywell scanserver_activex_control.
    Evaluation: Use-after-free vulnerability in the addOSPLext method in the Honeywell ScanServer ActiveX control 780.0.20.5 allows remote attackers to execute arbitr...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2011-0331
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:C/I:C/A:C
    cvss-score: 9.3
    cve-id: CVE-2011-0331
    cwe-id: CWE-399
  tags: cve,cve-2011-0331,honeywell,scanserver_activex_contro,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "scanserver_activex_control"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2011-0331.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2011-0331
# Target: honeywell scanserver_activex_control | CVSS: 9.3 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2011-0331 (honeywell scanserver_activex_control)...")
    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 honeywell scanserver_activex_control scope (780.0.20.5).")
        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-2011-0331.sh
# Recommended Remediation & Patching Commands for CVE-2011-0331
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install scanserver_activex_contro 2>/dev/null || \
sudo dnf upgrade scanserver_activex_contro 2>/dev/null || \
sudo yum update scanserver_activex_contro

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2011-0331 in honeywell scanserver_activex_control?

Review vendor-specific security notices and update honeywell scanserver_activex_control 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-2011-0331?

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-2011-0331?

CVE-2011-0331 is classified with a CVSS 3.1 Base Score of 9.3 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
9.3
UNKNOWN SEVERITY
CVE ID CVE-2011-0331
Weakness CWE-399
Vendor honeywell
Product scanserver_activex_control
Published 2011-03-22
Vector AV:N/AC:M/Au:N/C:C/I:C/A:C