HIGH CVSS 7.5
Published: 2025-12-17

CVE-2023-53930

projectsend projectsend Security Advisory (CVE-2023-53930)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2023-53930 impacting projectsend projectsend. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
ProjectSend r1605 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to download private files by manipulating the download ID parameter. Attackers can access any user's private files by changing the 'id' parameter in the download request to process.php.

📊 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 projectsend / projectsend
Affected Versions r1605
Weakness Enumeration CWE-639

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-2023-53930 impacting projectsend projectsend.

⚡ Nuclei Detection Template (YAML) cve-2023-53930.yaml
id: cve-2023-53930

info:
  name: projectsend projectsend - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2023-53930 affecting projectsend projectsend.
    Evaluation: ProjectSend r1605 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to download private files by manipu...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2023-53930
  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-2023-53930
    cwe-id: CWE-639
  tags: cve,cve-2023-53930,projectsend,projectsend,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "projectsend"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2023-53930.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2023-53930
# Target: projectsend projectsend | 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-2023-53930 (projectsend projectsend)...")
    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 projectsend projectsend scope (r1605).")
        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-2023-53930.sh
# Recommended Remediation & Patching Commands for CVE-2023-53930
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install projectsend 2>/dev/null || \
sudo dnf upgrade projectsend 2>/dev/null || \
sudo yum update projectsend

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

# 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-2023-53930 in projectsend projectsend?

Review vendor-specific security notices and update projectsend projectsend 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-2023-53930?

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-2023-53930?

CVE-2023-53930 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-2023-53930
Weakness CWE-639
Vendor projectsend
Product projectsend
Published 2025-12-17
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N