LOW CVSS 3.1
Published: 2025-04-25

CVE-2025-3637

moodle moodle Security Advisory (CVE-2025-3637)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2025-3637?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-3637 impacting moodle moodle. Evaluated with CVSS Base Score of 3.1 (LOW).

Original NVD Description

Source: NIST NVD
A security vulnerability was found in Moodle where confidential information that prevents cross-site request forgery (CSRF) attacks was shared publicly through the site's URL. This vulnerability occurred specifically on two types of pages within the mod_data module: edit and delete pages.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
High (AC:H)
Depends on race conditions or environment
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
Low (C:L)
Partial information leakage
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product moodle / moodle
Affected Versions *
Weakness Enumeration CWE-598

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-2025-3637 impacting moodle moodle.

⚡ Nuclei Detection Template (YAML) cve-2025-3637.yaml
id: cve-2025-3637

info:
  name: moodle moodle - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: low
  description: |
    Automated signature & scanner for CVE-2025-3637 affecting moodle moodle.
    Evaluation: A security vulnerability was found in Moodle where confidential information that prevents cross-site request forgery (CSRF) attacks was shared publicl...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-3637
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 3.1
    cve-id: CVE-2025-3637
    cwe-id: CWE-598
  tags: cve,cve-2025-3637,moodle,moodle,low

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "moodle"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-3637.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-3637
# Target: moodle moodle | CVSS: 3.1 (LOW)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-3637 (moodle moodle)...")
    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 moodle moodle 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-2025-3637.sh
# Recommended Remediation & Patching Commands for CVE-2025-3637
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install moodle 2>/dev/null || \
sudo dnf upgrade moodle 2>/dev/null || \
sudo yum update moodle

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

# 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-2025-3637 in moodle moodle?

Review vendor-specific security notices and update moodle moodle 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-2025-3637?

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-2025-3637?

CVE-2025-3637 is classified with a CVSS 3.1 Base Score of 3.1 (LOW). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
3.1
LOW SEVERITY
CVE ID CVE-2025-3637
Weakness CWE-598
Vendor moodle
Product moodle
Published 2025-04-25
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N