UNKNOWN CVSS 4.6
Published: 2001-08-22

CVE-2001-0560

paul_vixie vixie_cron Security Advisory (CVE-2001-0560)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2001-0560 impacting paul_vixie vixie_cron. Evaluated with CVSS Base Score of 4.6 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Buffer overflow in Vixie cron 3.0.1-56 and earlier could allow a local attacker to gain additional privileges via a long username (> 20 characters).

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required

🎯 Affected Versions Matrix

Affected Product paul_vixie / vixie_cron
Affected Versions *
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-2001-0560 impacting paul_vixie vixie_cron.

⚡ Nuclei Detection Template (YAML) cve-2001-0560.yaml
id: cve-2001-0560

info:
  name: paul_vixie vixie_cron - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2001-0560 affecting paul_vixie vixie_cron.
    Evaluation: Buffer overflow in Vixie cron 3.0.1-56 and earlier could allow a local attacker to gain additional privileges via a long username (> 20 characters)...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2001-0560
  classification:
    cvss-metrics: CVSS:3.1/AV:L/AC:L/Au:N/C:P/I:P/A:P
    cvss-score: 4.6
    cve-id: CVE-2001-0560
    cwe-id: NVD-CWE-Other
  tags: cve,cve-2001-0560,paul_vixie,vixie_cron,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "vixie_cron"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2001-0560.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2001-0560
# Target: paul_vixie vixie_cron | CVSS: 4.6 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2001-0560 (paul_vixie vixie_cron)...")
    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 paul_vixie vixie_cron 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-2001-0560.sh
# Recommended Remediation & Patching Commands for CVE-2001-0560
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install vixie_cron 2>/dev/null || \
sudo dnf upgrade vixie_cron 2>/dev/null || \
sudo yum update vixie_cron

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

# 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-2001-0560 in paul_vixie vixie_cron?

Review vendor-specific security notices and update paul_vixie vixie_cron 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-2001-0560?

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-2001-0560?

CVE-2001-0560 is classified with a CVSS 3.1 Base Score of 4.6 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.6
UNKNOWN SEVERITY
CVE ID CVE-2001-0560
Weakness NVD-CWE-Other
Vendor paul_vixie
Product vixie_cron
Published 2001-08-22
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P