UNKNOWN CVSS 7.8
Published: 2005-11-29

CVE-2005-3901

macromedia flash_communication_server Security Advisory (CVE-2005-3901)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2005-3901?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2005-3901 impacting macromedia flash_communication_server. Evaluated with CVSS Base Score of 7.8 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Macromedia Flash Communication Server MX 1.0 and 1.5 does not sufficiently validate certain RTMP data, which allows attackers to cause a denial of service (instability or crash), as demonstrated using an alpha release build of Flash Player 8.5 (build 133).

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact

🎯 Affected Versions Matrix

Affected Product macromedia / flash_communication_server
Affected Versions 1.0
Weakness Enumeration NVD-CWE-Other

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-2005-3901 impacting macromedia flash_communication_server.

⚡ Nuclei Detection Template (YAML) cve-2005-3901.yaml
id: cve-2005-3901

info:
  name: macromedia flash_communication_server - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2005-3901 affecting macromedia flash_communication_server.
    Evaluation: Macromedia Flash Communication Server MX 1.0 and 1.5 does not sufficiently validate certain RTMP data, which allows attackers to cause a denial of ser...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2005-3901
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:N/I:N/A:C
    cvss-score: 7.8
    cve-id: CVE-2005-3901
    cwe-id: NVD-CWE-Other
  tags: cve,cve-2005-3901,macromedia,flash_communication_serve,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "flash_communication_server"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2005-3901.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2005-3901
# Target: macromedia flash_communication_server | CVSS: 7.8 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2005-3901 (macromedia flash_communication_server)...")
    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 macromedia flash_communication_server scope (1.0).")
        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-2005-3901.sh
# Recommended Remediation & Patching Commands for CVE-2005-3901
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install flash_communication_serve 2>/dev/null || \
sudo dnf upgrade flash_communication_serve 2>/dev/null || \
sudo yum update flash_communication_serve

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

# 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-2005-3901 in macromedia flash_communication_server?

Review vendor-specific security notices and update macromedia flash_communication_server 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-2005-3901?

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-2005-3901?

CVE-2005-3901 is classified with a CVSS 3.1 Base Score of 7.8 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
UNKNOWN SEVERITY
CVE ID CVE-2005-3901
Weakness NVD-CWE-Other
Vendor macromedia
Product flash_communication_server
Published 2005-11-29
Vector AV:N/AC:L/Au:N/C:N/I:N/A:C