MEDIUM CVSS 4.8
Published: 2025-08-28

CVE-2025-58124

heinlein-support check_mk_python_api Security Advisory (CVE-2025-58124)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-58124 impacting heinlein-support check_mk_python_api. Evaluated with CVSS Base Score of 4.8 (MEDIUM).

Original NVD Description

Source: NIST NVD
Improper Certificate Validation in Checkmk Exchange plugin check-mk-api allows attackers in MitM position to intercept traffic.

📊 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
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product heinlein-support / check_mk_python_api
Affected Versions -
Weakness Enumeration CWE-295

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-2025-58124 impacting heinlein-support check_mk_python_api.

⚡ Nuclei Detection Template (YAML) cve-2025-58124.yaml
id: cve-2025-58124

info:
  name: heinlein-support check_mk_python_api - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2025-58124 affecting heinlein-support check_mk_python_api.
    Evaluation: Improper Certificate Validation in Checkmk Exchange plugin check-mk-api allows attackers in MitM position to intercept traffic....
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-58124
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
    cvss-score: 4.8
    cve-id: CVE-2025-58124
    cwe-id: CWE-295
  tags: cve,cve-2025-58124,heinlein-support,check_mk_python_api,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "check_mk_python_api"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-58124.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-58124
# Target: heinlein-support check_mk_python_api | CVSS: 4.8 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-58124 (heinlein-support check_mk_python_api)...")
    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 heinlein-support check_mk_python_api 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-2025-58124.sh
# Recommended Remediation & Patching Commands for CVE-2025-58124
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install check_mk_python_api 2>/dev/null || \
sudo dnf upgrade check_mk_python_api 2>/dev/null || \
sudo yum update check_mk_python_api

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

# 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-2025-58124 in heinlein-support check_mk_python_api?

Review vendor-specific security notices and update heinlein-support check_mk_python_api 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-2025-58124?

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-2025-58124?

CVE-2025-58124 is classified with a CVSS 3.1 Base Score of 4.8 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.8
MEDIUM SEVERITY
CVE ID CVE-2025-58124
Weakness CWE-295
Vendor heinlein-support
Product check_mk_python_api
Published 2025-08-28
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N