UNKNOWN CVSS 7.9
Published: 2013-12-04

CVE-2013-3519

vmware esxi Security Advisory (CVE-2013-3519)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2013-3519?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2013-3519 impacting vmware esxi. Evaluated with CVSS Base Score of 7.9 (UNKNOWN).

Original NVD Description

Source: NIST NVD
lgtosync.sys in VMware Workstation 9.x before 9.0.3, VMware Player 5.x before 5.0.3, VMware Fusion 5.x before 5.0.4, VMware ESXi 4.0 through 5.1, and VMware ESX 4.0 and 4.1, when a 32-bit Windows guest OS is used, allows guest OS users to gain guest OS privileges via an application that performs a crafted memory allocation.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Adjacent (AV:A)
Requires shared subnet / local network access

🎯 Affected Versions Matrix

Affected Product vmware / esxi
Affected Versions 4.0
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-2013-3519 impacting vmware esxi.

⚡ Nuclei Detection Template (YAML) cve-2013-3519.yaml
id: cve-2013-3519

info:
  name: vmware esxi - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2013-3519 affecting vmware esxi.
    Evaluation: lgtosync.sys in VMware Workstation 9.x before 9.0.3, VMware Player 5.x before 5.0.3, VMware Fusion 5.x before 5.0.4, VMware ESXi 4.0 through 5.1, and ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2013-3519
  classification:
    cvss-metrics: CVSS:3.1/AV:A/AC:M/Au:N/C:C/I:C/A:C
    cvss-score: 7.9
    cve-id: CVE-2013-3519
    cwe-id: CWE-264
  tags: cve,cve-2013-3519,vmware,esxi,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "esxi"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2013-3519.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2013-3519
# Target: vmware esxi | CVSS: 7.9 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2013-3519 (vmware esxi)...")
    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 vmware esxi scope (4.0).")
        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-2013-3519.sh
# Recommended Remediation & Patching Commands for CVE-2013-3519
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install esxi 2>/dev/null || \
sudo dnf upgrade esxi 2>/dev/null || \
sudo yum update esxi

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

# 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-2013-3519 in vmware esxi?

Review vendor-specific security notices and update vmware esxi 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-2013-3519?

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-2013-3519?

CVE-2013-3519 is classified with a CVSS 3.1 Base Score of 7.9 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.9
UNKNOWN SEVERITY
CVE ID CVE-2013-3519
Weakness CWE-264
Vendor vmware
Product esxi
Published 2013-12-04
Vector AV:A/AC:M/Au:N/C:C/I:C/A:C