Description

The affected products are missing authorization on state-changing CGIs and session checks are not performed.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.6",
  "pubDate": "2026-09-15T21:16:41.930Z",
  "pubdate": "2026-09-15T21:16:41.930Z",
  "executiveSummary": "The identified vulnerability involves a critical lack of authorization controls and session validation mechanisms within Common Gateway Interface (CGI) scripts hosted on the affected products.\nThis security deficiency allows unauthenticated remote attackers to invoke state-changing functions directly by manipulating HTTP requests targeting specific CGI endpoints.\nBy bypassing necessary session checks, an unauthorized actor can perform administrative or system-level operations without possessing valid credentials.\nThe risk implication is severe, as the lack of access control effectively nullifies the authentication perimeter, granting attackers the ability to modify system configurations, alter data, or execute unauthorized commands.\nExploitation requires no specialized user interaction, as the attack is executed through standard HTTP requests directed at the exposed interfaces.\nThis vulnerability highlights a systemic failure in enforcing consistent authorization policies across the product's request-handling architecture.",
  "technicalDetails": "The root cause of this vulnerability lies in the insecure implementation of the application's request processing lifecycle, specifically within the CGI execution environment. The affected product fails to implement mandatory session state verification before executing logic that modifies the system or application state.\nIn a secure configuration, any CGI script capable of performing state-changing operations should first validate the existence, integrity, and permissions of a session token (e.g., a session cookie or auth header). In this instance, the underlying web server or the application logic passes execution to the target CGI script without confirming that the requester has been authenticated.\nThe exploitation process follows a direct, predictable flow: First, an attacker performs reconnaissance to identify the specific CGI endpoints responsible for sensitive state changes—such as configuration updates, user management, or service restarts. Second, the attacker crafts an HTTP request (typically GET or POST) targeting these endpoints. Third, because the application lacks authorization middleware or programmatic checks within the CGI binary to verify user identity or session status, the request is executed with the privileges of the web server process.\nThis omission of access control allows for a 'forced browsing' or 'direct object reference' attack, where the attacker can manipulate parameters within the request body or query string to influence the outcome of the CGI script's execution. Since no session validation is performed, the server treats the request as a legitimate command, bypassing the standard login flow entirely.\nThe impact is significant: an attacker could achieve complete system compromise, modify administrative settings, or deploy persistent malicious configurations. The vulnerability is exacerbated by the fact that the CGI interface is typically reachable over the network, providing an easily accessible attack vector for remote threat actors. Post-exploitation, an attacker could maintain persistence by leveraging the same lack of authorization to re-apply unauthorized configurations even if primary credentials are changed, as the underlying CGI mechanisms remain unprotected."
}