MEDIUM CVSS 6.5
Published: 2025-12-18

CVE-2023-53944

easyphp webserver Security Advisory (CVE-2023-53944)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2023-53944 impacting easyphp webserver. Evaluated with CVSS Base Score of 6.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
EasyPHP Webserver 14.1 contains a path traversal vulnerability that allows remote users with low privileges to access files outside the document root by bypassing SecurityManager restrictions. Attackers can send GET requests with encoded directory traversal sequences like /..%5c..%5c to read system files such as /windows/win.ini.

📊 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
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 easyphp / webserver
Affected Versions 14.1
Weakness Enumeration CWE-22

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-2023-53944 impacting easyphp webserver.

⚡ Nuclei Detection Template (YAML) cve-2023-53944.yaml
id: cve-2023-53944

info:
  name: easyphp webserver - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2023-53944 affecting easyphp webserver.
    Evaluation: EasyPHP Webserver 14.1 contains a path traversal vulnerability that allows remote users with low privileges to access files outside the document root ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2023-53944
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2023-53944
    cwe-id: CWE-22
  tags: cve,cve-2023-53944,easyphp,webserver,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "webserver"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2023-53944.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2023-53944
# Target: easyphp webserver | CVSS: 6.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2023-53944 (easyphp webserver)...")
    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 easyphp webserver scope (14.1).")
        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-2023-53944.sh
# Recommended Remediation & Patching Commands for CVE-2023-53944
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install webserver 2>/dev/null || \
sudo dnf upgrade webserver 2>/dev/null || \
sudo yum update webserver

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

# 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-2023-53944 in easyphp webserver?

Review vendor-specific security notices and update easyphp webserver 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-2023-53944?

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-2023-53944?

CVE-2023-53944 is classified with a CVSS 3.1 Base Score of 6.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.5
MEDIUM SEVERITY
CVE ID CVE-2023-53944
Weakness CWE-22
Vendor easyphp
Product webserver
Published 2025-12-18
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N