MEDIUM CVSS 5.5
Published: 2021-02-09

CVE-2020-10048

siemens simatic_pcs_7 Security Advisory (CVE-2020-10048)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-10048 impacting siemens simatic_pcs_7. Evaluated with CVSS Base Score of 5.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
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
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product siemens / simatic_pcs_7
Affected Versions *
Weakness Enumeration CWE-288

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-2020-10048 impacting siemens simatic_pcs_7.

⚡ Nuclei Detection Template (YAML) cve-2020-10048.yaml
id: cve-2020-10048

info:
  name: siemens simatic_pcs_7 - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2020-10048 affecting siemens simatic_pcs_7.
    Evaluation: A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions &lt; V7.5 SP2). Due to an insecure password verificat...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-10048
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 5.5
    cve-id: CVE-2020-10048
    cwe-id: CWE-288
  tags: cve,cve-2020-10048,siemens,simatic_pcs_7,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "simatic_pcs_7"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-10048.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-10048
# Target: siemens simatic_pcs_7 | CVSS: 5.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-10048 (siemens simatic_pcs_7)...")
    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 simatic_pcs_7 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-2020-10048.sh
# Recommended Remediation & Patching Commands for CVE-2020-10048
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install simatic_pcs_7 2>/dev/null || \
sudo dnf upgrade simatic_pcs_7 2>/dev/null || \
sudo yum update simatic_pcs_7

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i simatic_pcs_7 2>/dev/null || rpm -qa | grep -i simatic_pcs_7

# 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
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Distributions
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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2020-10048 in siemens simatic_pcs_7?

Review vendor-specific security notices and update siemens simatic_pcs_7 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-2020-10048?

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-2020-10048?

CVE-2020-10048 is classified with a CVSS 3.1 Base Score of 5.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.5
MEDIUM SEVERITY
CVE ID CVE-2020-10048
Weakness CWE-288
Vendor siemens
Product simatic_pcs_7
Published 2021-02-09
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N