HIGH CVSS 7.5
Published: 2021-03-04

CVE-2019-18630

xerox altalink_b8045_firmware Security Advisory (CVE-2019-18630)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2019-18630?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2019-18630 impacting xerox altalink_b8045_firmware. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
On Xerox AltaLink B8045/B8055/B8065/B8075/B8090 and C8030/C8035/C8045/C8055/C8070 multifunction printers with software releases before 101.00x.099.28200, portions of the drive containing executable code were not encrypted thus leaving it open to potential cryptographic information disclosure.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product xerox / altalink_b8045_firmware
Affected Versions *
Weakness Enumeration CWE-312

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-2019-18630 impacting xerox altalink_b8045_firmware.

⚡ Nuclei Detection Template (YAML) cve-2019-18630.yaml
id: cve-2019-18630

info:
  name: xerox altalink_b8045_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2019-18630 affecting xerox altalink_b8045_firmware.
    Evaluation: On Xerox AltaLink B8045/B8055/B8065/B8075/B8090 and C8030/C8035/C8045/C8055/C8070 multifunction printers with software releases before 101.00x.099.282...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2019-18630
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2019-18630
    cwe-id: CWE-312
  tags: cve,cve-2019-18630,xerox,altalink_b8045_firmware,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "altalink_b8045_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2019-18630.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2019-18630
# Target: xerox altalink_b8045_firmware | CVSS: 7.5 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2019-18630 (xerox altalink_b8045_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 xerox altalink_b8045_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-2019-18630.sh
# Recommended Remediation & Patching Commands for CVE-2019-18630
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install altalink_b8045_firmware 2>/dev/null || \
sudo dnf upgrade altalink_b8045_firmware 2>/dev/null || \
sudo yum update altalink_b8045_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i altalink_b8045_firmware 2>/dev/null || rpm -qa | grep -i altalink_b8045_firmware

# 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-2019-18630 in xerox altalink_b8045_firmware?

Review vendor-specific security notices and update xerox altalink_b8045_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-2019-18630?

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-2019-18630?

CVE-2019-18630 is classified with a CVSS 3.1 Base Score of 7.5 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
HIGH SEVERITY
CVE ID CVE-2019-18630
Weakness CWE-312
Vendor xerox
Product altalink_b8045_firmware
Published 2021-03-04
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N