UNKNOWN CVSS 4.0
Published: 2009-09-18

CVE-2009-3251

vtiger vtiger_crm Security Advisory (CVE-2009-3251)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2009-3251 impacting vtiger vtiger_crm. Evaluated with CVSS Base Score of 4.0 (UNKNOWN).

Original NVD Description

Source: NIST NVD
include/utils/ListViewUtils.php in vtiger CRM before 5.1.0 allows remote authenticated users to bypass intended access restrictions and read the (1) visibility, (2) location, and (3) recurrence fields of a calendar via a custom view.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product vtiger / vtiger_crm
Affected Versions *
Weakness Enumeration CWE-264

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-2009-3251 impacting vtiger vtiger_crm.

⚡ Nuclei Detection Template (YAML) cve-2009-3251.yaml
id: cve-2009-3251

info:
  name: vtiger vtiger_crm - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2009-3251 affecting vtiger vtiger_crm.
    Evaluation: include/utils/ListViewUtils.php in vtiger CRM before 5.1.0 allows remote authenticated users to bypass intended access restrictions and read the (1) v...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2009-3251
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:S/C:P/I:N/A:N
    cvss-score: 4.0
    cve-id: CVE-2009-3251
    cwe-id: CWE-264
  tags: cve,cve-2009-3251,vtiger,vtiger_crm,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "vtiger_crm"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2009-3251.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2009-3251
# Target: vtiger vtiger_crm | CVSS: 4.0 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2009-3251 (vtiger vtiger_crm)...")
    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 vtiger vtiger_crm 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-2009-3251.sh
# Recommended Remediation & Patching Commands for CVE-2009-3251
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install vtiger_crm 2>/dev/null || \
sudo dnf upgrade vtiger_crm 2>/dev/null || \
sudo yum update vtiger_crm

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

# 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-2009-3251 in vtiger vtiger_crm?

Review vendor-specific security notices and update vtiger vtiger_crm 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-2009-3251?

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-2009-3251?

CVE-2009-3251 is classified with a CVSS 3.1 Base Score of 4.0 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.0
UNKNOWN SEVERITY
CVE ID CVE-2009-3251
Weakness CWE-264
Vendor vtiger
Product vtiger_crm
Published 2009-09-18
Vector AV:N/AC:L/Au:S/C:P/I:N/A:N