HIGH CVSS 7.5
Published: 2022-11-08

CVE-2022-43398

siemens 7kg9501-0aa01-2aa1_firmware Security Advisory (CVE-2022-43398)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-43398 impacting siemens 7kg9501-0aa01-2aa1_firmware. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50). Affected devices do not renew the session cookie after login/logout and also accept user defined session cookies. An attacker could overwrite the stored session cookie of a user. After the victim logged in, the attacker is given access to the user's account through the activated session.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
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 siemens / 7kg9501-0aa01-2aa1_firmware
Affected Versions *
Weakness Enumeration CWE-384

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-2022-43398 impacting siemens 7kg9501-0aa01-2aa1_firmware.

⚡ Nuclei Detection Template (YAML) cve-2022-43398.yaml
id: cve-2022-43398

info:
  name: siemens 7kg9501-0aa01-2aa1_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2022-43398 affecting siemens 7kg9501-0aa01-2aa1_firmware.
    Evaluation: A vulnerability has been identified in POWER METER SICAM Q100 (All versions &lt; V2.50), POWER METER SICAM Q100 (All versions &lt; V2.50), POWER METER...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-43398
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 7.5
    cve-id: CVE-2022-43398
    cwe-id: CWE-384
  tags: cve,cve-2022-43398,siemens,7kg9501-0aa01-2aa1_firmwa,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "7kg9501-0aa01-2aa1_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-43398.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-43398
# Target: siemens 7kg9501-0aa01-2aa1_firmware | 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-2022-43398 (siemens 7kg9501-0aa01-2aa1_firmware)...")
    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 7kg9501-0aa01-2aa1_firmware 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-2022-43398.sh
# Recommended Remediation & Patching Commands for CVE-2022-43398
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install 7kg9501-0aa01-2aa1_firmwa 2>/dev/null || \
sudo dnf upgrade 7kg9501-0aa01-2aa1_firmwa 2>/dev/null || \
sudo yum update 7kg9501-0aa01-2aa1_firmwa

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i 7kg9501-0aa01-2aa1_firmwa 2>/dev/null || rpm -qa | grep -i 7kg9501-0aa01-2aa1_firmwa

# 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-2022-43398 in siemens 7kg9501-0aa01-2aa1_firmware?

Review vendor-specific security notices and update siemens 7kg9501-0aa01-2aa1_firmware 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-2022-43398?

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-2022-43398?

CVE-2022-43398 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-2022-43398
Weakness CWE-384
Vendor siemens
Product 7kg9501-0aa01-2aa1_firmware
Published 2022-11-08
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H