UNKNOWN CVSS 5.4
Published: 2013-04-25

CVE-2013-2767

citrix netscaler_access_gateway_firmware Security Advisory (CVE-2013-2767)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2013-2767 impacting citrix netscaler_access_gateway_firmware. Evaluated with CVSS Base Score of 5.4 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Unspecified vulnerability in Citrix NetScaler Access Gateway Enterprise Edition (AGEE) before 9.3.62.4 and 10.x through 10.0.74.4, and NetScaler AGEE Common Criteria build before 9.3.53.6, allows remote attackers to bypass intended intranet access restrictions via unknown vectors.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product citrix / netscaler_access_gateway_firmware
Affected Versions *
Weakness Enumeration NVD-CWE-noinfo

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-2013-2767 impacting citrix netscaler_access_gateway_firmware.

⚡ Nuclei Detection Template (YAML) cve-2013-2767.yaml
id: cve-2013-2767

info:
  name: citrix netscaler_access_gateway_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2013-2767 affecting citrix netscaler_access_gateway_firmware.
    Evaluation: Unspecified vulnerability in Citrix NetScaler Access Gateway Enterprise Edition (AGEE) before 9.3.62.4 and 10.x through 10.0.74.4, and NetScaler AGEE ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2013-2767
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:H/Au:N/C:C/I:N/A:N
    cvss-score: 5.4
    cve-id: CVE-2013-2767
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2013-2767,citrix,netscaler_access_gateway_,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "netscaler_access_gateway_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2013-2767.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2013-2767
# Target: citrix netscaler_access_gateway_firmware | CVSS: 5.4 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2013-2767 (citrix netscaler_access_gateway_firmware)...")
    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 citrix netscaler_access_gateway_firmware 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-2013-2767.sh
# Recommended Remediation & Patching Commands for CVE-2013-2767
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install netscaler_access_gateway_ 2>/dev/null || \
sudo dnf upgrade netscaler_access_gateway_ 2>/dev/null || \
sudo yum update netscaler_access_gateway_

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

# 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-2013-2767 in citrix netscaler_access_gateway_firmware?

Review vendor-specific security notices and update citrix netscaler_access_gateway_firmware 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-2013-2767?

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-2013-2767?

CVE-2013-2767 is classified with a CVSS 3.1 Base Score of 5.4 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.4
UNKNOWN SEVERITY
CVE ID CVE-2013-2767
Weakness NVD-CWE-noinfo
Vendor citrix
Product netscaler_access_gateway_firmware
Published 2013-04-25
Vector AV:N/AC:H/Au:N/C:C/I:N/A:N