UNKNOWN CVSS 4.3
Published: 2005-09-07

CVE-2005-2820

inter7 sqwebmail Security Advisory (CVE-2005-2820)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2005-2820 impacting inter7 sqwebmail. Evaluated with CVSS Base Score of 4.3 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Cross-site scripting (XSS) vulnerability in SqWebMail 5.0.4 allows remote attackers to inject arbitrary web script or HTML via an e-mail message containing Internet Explorer "Conditional Comments" such as "[if]" and "[endif]".

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Confidentiality
None (C:N)
No data confidentiality impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product inter7 / sqwebmail
Affected Versions 5.0.4
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-2005-2820 impacting inter7 sqwebmail.

⚡ Nuclei Detection Template (YAML) cve-2005-2820.yaml
id: cve-2005-2820

info:
  name: inter7 sqwebmail - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2005-2820 affecting inter7 sqwebmail.
    Evaluation: Cross-site scripting (XSS) vulnerability in SqWebMail 5.0.4 allows remote attackers to inject arbitrary web script or HTML via an e-mail message conta...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2005-2820
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:N/I:P/A:N
    cvss-score: 4.3
    cve-id: CVE-2005-2820
    cwe-id: NVD-CWE-Other
  tags: cve,cve-2005-2820,inter7,sqwebmail,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "sqwebmail"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2005-2820.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2005-2820
# Target: inter7 sqwebmail | CVSS: 4.3 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2005-2820 (inter7 sqwebmail)...")
    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 inter7 sqwebmail scope (5.0.4).")
        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-2005-2820.sh
# Recommended Remediation & Patching Commands for CVE-2005-2820
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install sqwebmail 2>/dev/null || \
sudo dnf upgrade sqwebmail 2>/dev/null || \
sudo yum update sqwebmail

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

# 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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2005-2820 in inter7 sqwebmail?

Review vendor-specific security notices and update inter7 sqwebmail 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-2005-2820?

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-2005-2820?

CVE-2005-2820 is classified with a CVSS 3.1 Base Score of 4.3 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.3
UNKNOWN SEVERITY
CVE ID CVE-2005-2820
Weakness NVD-CWE-Other
Vendor inter7
Product sqwebmail
Published 2005-09-07
Vector AV:N/AC:M/Au:N/C:N/I:P/A:N