UNKNOWN CVSS 7.8
Published: 2015-09-29

CVE-2015-7602

bisonware bisonftp Security Advisory (CVE-2015-7602)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2015-7602 impacting bisonware bisonftp. Evaluated with CVSS Base Score of 7.8 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Directory traversal vulnerability in BisonWare BisonFTP 3.5 allows remote attackers to read arbitrary files via a ../ (dot dot slash) in a RETR command.

📊 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 bisonware / bisonftp
Affected Versions 3.5
Weakness Enumeration CWE-22

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-2015-7602 impacting bisonware bisonftp.

⚡ Nuclei Detection Template (YAML) cve-2015-7602.yaml
id: cve-2015-7602

info:
  name: bisonware bisonftp - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2015-7602 affecting bisonware bisonftp.
    Evaluation: Directory traversal vulnerability in BisonWare BisonFTP 3.5 allows remote attackers to read arbitrary files via a ../ (dot dot slash) in a RETR comman...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2015-7602
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:C/I:N/A:N
    cvss-score: 7.8
    cve-id: CVE-2015-7602
    cwe-id: CWE-22
  tags: cve,cve-2015-7602,bisonware,bisonftp,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "bisonftp"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2015-7602.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2015-7602
# Target: bisonware bisonftp | 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-2015-7602 (bisonware bisonftp)...")
    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 bisonware bisonftp scope (3.5).")
        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-2015-7602.sh
# Recommended Remediation & Patching Commands for CVE-2015-7602
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install bisonftp 2>/dev/null || \
sudo dnf upgrade bisonftp 2>/dev/null || \
sudo yum update bisonftp

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

# 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-2015-7602 in bisonware bisonftp?

Review vendor-specific security notices and update bisonware bisonftp 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-2015-7602?

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-2015-7602?

CVE-2015-7602 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-2015-7602
Weakness CWE-22
Vendor bisonware
Product bisonftp
Published 2015-09-29
Vector AV:N/AC:L/Au:N/C:C/I:N/A:N