HIGH CVSS 7.5
Published: 2020-12-30

CVE-2020-35737

newgensoft egov Security Advisory (CVE-2020-35737)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-35737 impacting newgensoft egov. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
In Correspondence Management System (corms) in Newgen eGov 12.0, an attacker can modify other users' profile information by manipulating the unvalidated UserIndex parameter, aka Insecure Direct Object Reference.

📊 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
None (C:N)
No data confidentiality impact
Integrity
High (I:H)
Total modification of target system
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product newgensoft / egov
Affected Versions 12.0
Weakness Enumeration NVD-CWE-Other

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-2020-35737 impacting newgensoft egov.

⚡ Nuclei Detection Template (YAML) cve-2020-35737.yaml
id: cve-2020-35737

info:
  name: newgensoft egov - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2020-35737 affecting newgensoft egov.
    Evaluation: In Correspondence Management System (corms) in Newgen eGov 12.0, an attacker can modify other users' profile information by manipulating the unva...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-35737
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-35737
    cwe-id: NVD-CWE-Other
  tags: cve,cve-2020-35737,newgensoft,egov,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "egov"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-35737.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-35737
# Target: newgensoft egov | 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-2020-35737 (newgensoft egov)...")
    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 newgensoft egov scope (12.0).")
        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-2020-35737.sh
# Recommended Remediation & Patching Commands for CVE-2020-35737
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install egov 2>/dev/null || \
sudo dnf upgrade egov 2>/dev/null || \
sudo yum update egov

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

# 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-2020-35737 in newgensoft egov?

Review vendor-specific security notices and update newgensoft egov 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-2020-35737?

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-2020-35737?

CVE-2020-35737 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-2020-35737
Weakness NVD-CWE-Other
Vendor newgensoft
Product egov
Published 2020-12-30
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N