HIGH CVSS 8.8
Published: 2022-09-01

CVE-2022-37435

apache shenyu Security Advisory (CVE-2022-37435)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-37435 impacting apache shenyu. Evaluated with CVSS Base Score of 8.8 (HIGH).

Original NVD Description

Source: NIST NVD
Apache ShenYu Admin has insecure permissions, which may allow low-privilege administrators to modify high-privilege administrator's passwords. This issue affects Apache ShenYu 2.4.2 and 2.4.3.

📊 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
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product apache / shenyu
Affected Versions 2.4.2
Weakness Enumeration CWE-732

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-2022-37435 impacting apache shenyu.

⚡ Nuclei Detection Template (YAML) cve-2022-37435.yaml
id: cve-2022-37435

info:
  name: apache shenyu - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2022-37435 affecting apache shenyu.
    Evaluation: Apache ShenYu Admin has insecure permissions, which may allow low-privilege administrators to modify high-privilege administrator's passwords. Th...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-37435
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2022-37435
    cwe-id: CWE-732
  tags: cve,cve-2022-37435,apache,shenyu,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "shenyu"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-37435.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-37435
# Target: apache shenyu | CVSS: 8.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-37435 (apache shenyu)...")
    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 apache shenyu scope (2.4.2).")
        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-2022-37435.sh
# Recommended Remediation & Patching Commands for CVE-2022-37435
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install shenyu 2>/dev/null || \
sudo dnf upgrade shenyu 2>/dev/null || \
sudo yum update shenyu

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

# 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

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2022-37435 in apache shenyu?

Review vendor-specific security notices and update apache shenyu 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-2022-37435?

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-2022-37435?

CVE-2022-37435 is classified with a CVSS 3.1 Base Score of 8.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.8
HIGH SEVERITY
CVE ID CVE-2022-37435
Weakness CWE-732
Vendor apache
Product shenyu
Published 2022-09-01
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H