MEDIUM CVSS 5.5
Published: 2020-11-12

CVE-2020-0573

intel csi2_host_controller Security Advisory (CVE-2020-0573)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2020-0573?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-0573 impacting intel csi2_host_controller. Evaluated with CVSS Base Score of 5.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
Out of bounds read in the Intel CSI2 Host Controller driver may allow an authenticated user to potentially enable information disclosure via local access.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
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 intel / csi2_host_controller
Affected Versions -
Weakness Enumeration CWE-125

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-2020-0573 impacting intel csi2_host_controller.

⚡ Nuclei Detection Template (YAML) cve-2020-0573.yaml
id: cve-2020-0573

info:
  name: intel csi2_host_controller - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2020-0573 affecting intel csi2_host_controller.
    Evaluation: Out of bounds read in the Intel CSI2 Host Controller driver may allow an authenticated user to potentially enable information disclosure via local acc...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-0573
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 5.5
    cve-id: CVE-2020-0573
    cwe-id: CWE-125
  tags: cve,cve-2020-0573,intel,csi2_host_controller,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "csi2_host_controller"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-0573.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-0573
# Target: intel csi2_host_controller | CVSS: 5.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-0573 (intel csi2_host_controller)...")
    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 intel csi2_host_controller 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-2020-0573.sh
# Recommended Remediation & Patching Commands for CVE-2020-0573
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install csi2_host_controller 2>/dev/null || \
sudo dnf upgrade csi2_host_controller 2>/dev/null || \
sudo yum update csi2_host_controller

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i csi2_host_controller 2>/dev/null || rpm -qa | grep -i csi2_host_controller

# 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

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2020-0573 in intel csi2_host_controller?

Review vendor-specific security notices and update intel csi2_host_controller 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-2020-0573?

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-2020-0573?

CVE-2020-0573 is classified with a CVSS 3.1 Base Score of 5.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.5
MEDIUM SEVERITY
CVE ID CVE-2020-0573
Weakness CWE-125
Vendor intel
Product csi2_host_controller
Published 2020-11-12
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N