MEDIUM CVSS 5.5
Published: 2026-02-05

CVE-2020-37140

aida64 aida64 Security Advisory (CVE-2020-37140)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2020-37140?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-37140 impacting aida64 aida64. Evaluated with CVSS Base Score of 5.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
Everest, later referred to as AIDA64, 5.50.2100 contains a denial of service vulnerability that allows local attackers to crash the application by manipulating file open functionality. Attackers can generate a 450-byte buffer of repeated characters and paste it into the file open dialog to trigger an application crash.

📊 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
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product aida64 / aida64
Affected Versions 5.50.2100
Weakness Enumeration CWE-787

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-2020-37140 impacting aida64 aida64.

⚡ Nuclei Detection Template (YAML) cve-2020-37140.yaml
id: cve-2020-37140

info:
  name: aida64 aida64 - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2020-37140 affecting aida64 aida64.
    Evaluation: Everest, later referred to as AIDA64, 5.50.2100 contains a denial of service vulnerability that allows local attackers to crash the application by man...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-37140
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    cvss-score: 5.5
    cve-id: CVE-2020-37140
    cwe-id: CWE-787
  tags: cve,cve-2020-37140,aida64,aida64,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "aida64"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-37140.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-37140
# Target: aida64 aida64 | 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-2020-37140 (aida64 aida64)...")
    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 aida64 aida64 scope (5.50.2100).")
        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-2020-37140.sh
# Recommended Remediation & Patching Commands for CVE-2020-37140
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install aida64 2>/dev/null || \
sudo dnf upgrade aida64 2>/dev/null || \
sudo yum update aida64

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i aida64 2>/dev/null || rpm -qa | grep -i aida64

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2020-37140 in aida64 aida64?

Review vendor-specific security notices and update aida64 aida64 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-2020-37140?

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-2020-37140?

CVE-2020-37140 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-2020-37140
Weakness CWE-787
Vendor aida64
Product aida64
Published 2026-02-05
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H