HIGH CVSS 7.8
Published: 2022-10-13

CVE-2022-42899

bentley microstation Security Advisory (CVE-2022-42899)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-42899 impacting bentley microstation. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
Bentley MicroStation and MicroStation-based applications may be affected by out-of-bounds read and stack overflow issues when opening crafted SKP files. Exploiting these issues could lead to information disclosure and code execution. The fixed versions are 10.17.01.58* for MicroStation and 10.17.01.19* for Bentley View.

📊 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
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 bentley / microstation
Affected Versions *
Weakness Enumeration CWE-125

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-2022-42899 impacting bentley microstation.

⚡ Nuclei Detection Template (YAML) cve-2022-42899.yaml
id: cve-2022-42899

info:
  name: bentley microstation - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2022-42899 affecting bentley microstation.
    Evaluation: Bentley MicroStation and MicroStation-based applications may be affected by out-of-bounds read and stack overflow issues when opening crafted SKP file...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-42899
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 7.8
    cve-id: CVE-2022-42899
    cwe-id: CWE-125
  tags: cve,cve-2022-42899,bentley,microstation,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "microstation"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-42899.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-42899
# Target: bentley microstation | CVSS: 7.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-42899 (bentley microstation)...")
    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 bentley microstation 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-2022-42899.sh
# Recommended Remediation & Patching Commands for CVE-2022-42899
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install microstation 2>/dev/null || \
sudo dnf upgrade microstation 2>/dev/null || \
sudo yum update microstation

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

# 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-2022-42899 in bentley microstation?

Review vendor-specific security notices and update bentley microstation 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-2022-42899?

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-2022-42899?

CVE-2022-42899 is classified with a CVSS 3.1 Base Score of 7.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
HIGH SEVERITY
CVE ID CVE-2022-42899
Weakness CWE-125
Vendor bentley
Product microstation
Published 2022-10-13
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H