HIGH CVSS 7.5
Published: 2022-12-13

CVE-2022-43723

siemens sicam_pas\/pqs Security Advisory (CVE-2022-43723)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-43723 impacting siemens sicam_pas\/pqs. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
A vulnerability has been identified in SICAM PAS/PQS (All versions < V7.0), SICAM PAS/PQS (All versions >= 7.0 < V8.06). Affected software does not properly validate the input for a certain parameter in the s7ontcp.dll. This could allow an unauthenticated remote attacker to send messages and create a denial of service condition as the application crashes. At the time of assigning the CVE, the affected firmware version of the component has already been superseded by succeeding mainline versions.

📊 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
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product siemens / sicam_pas\/pqs
Affected Versions *
Weakness Enumeration CWE-1287

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-2022-43723 impacting siemens sicam_pas\/pqs.

⚡ Nuclei Detection Template (YAML) cve-2022-43723.yaml
id: cve-2022-43723

info:
  name: siemens sicam_pas\/pqs - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2022-43723 affecting siemens sicam_pas\/pqs.
    Evaluation: A vulnerability has been identified in SICAM PAS/PQS (All versions &lt; V7.0), SICAM PAS/PQS (All versions &gt;= 7.0 &lt; V8.06). Affected software do...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-43723
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 7.5
    cve-id: CVE-2022-43723
    cwe-id: CWE-1287
  tags: cve,cve-2022-43723,siemens,sicam_pas\/pqs,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "sicam_pas\/pqs"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-43723.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-43723
# Target: siemens sicam_pas\/pqs | 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-2022-43723 (siemens sicam_pas\/pqs)...")
    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 siemens sicam_pas\/pqs 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-2022-43723.sh
# Recommended Remediation & Patching Commands for CVE-2022-43723
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install sicam_pas\/pqs 2>/dev/null || \
sudo dnf upgrade sicam_pas\/pqs 2>/dev/null || \
sudo yum update sicam_pas\/pqs

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

# 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-2022-43723 in siemens sicam_pas\/pqs?

Review vendor-specific security notices and update siemens sicam_pas\/pqs 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-2022-43723?

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-2022-43723?

CVE-2022-43723 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-2022-43723
Weakness CWE-1287
Vendor siemens
Product sicam_pas\/pqs
Published 2022-12-13
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H