Description

URL redirection to untrusted site ('open redirect') vulnerability in Armiya Information Technologies Ltd. Co. Access Control System allows Fake the Source of Data. This issue affects Access Control System: before Versiyon 2.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.3",
  "pubDate": "2026-09-10T09:17:06.250Z",
  "pubdate": "2026-09-10T09:17:06.250Z",
  "executiveSummary": "The Armiya Information Technologies Ltd. Co. Access Control System contains an open redirect vulnerability that facilitates data source spoofing.\nThe flaw stems from improper validation of user-supplied input used to determine redirection destinations within the application.\nBy manipulating these input parameters, an unauthenticated or authenticated attacker can force the application to redirect users to arbitrary, untrusted, or malicious external websites.\nThis vulnerability is classified as an 'Open Redirect,' which significantly undermines the security posture of the application by allowing attackers to leverage the trusted domain of the Access Control System to conduct phishing campaigns or credential harvesting.\nSuccessful exploitation can mislead users into believing they are interacting with legitimate system resources while being directed to malicious endpoints, potentially leading to unauthorized data disclosure or account compromise.\nThe issue affects all versions of the Access Control System prior to Versiyon 2. Remediation requires the implementation of strict server-side input validation and the use of allow-lists for redirection targets to prevent unauthorized site navigation.",
  "technicalDetails": "The vulnerability resides in the request handling logic of the Armiya Information Technologies Ltd. Co. Access Control System, specifically where the application processes URL parameters or headers to redirect the client browser to a different resource.\nThe root cause is an insufficient validation mechanism or lack of an allow-list for the 'target' or 'redirect' parameter. The application accepts user-provided input and trusts it implicitly when generating the HTTP 3xx response headers (e.g., Location header) without sanitizing the input to ensure it points only to trusted internal domains or relative paths.\nThe attack flow initiates when an attacker crafts a malicious URL pointing to the vulnerable Access Control System, appending a parameter (e.g., ?redirect=https://malicious-site.com) that contains the intended destination URL.\nWhen a legitimate user clicks the manipulated link, the Access Control System server receives the request, processes the parameter, and generates a response with the 'Location' header pointing to the attacker-controlled site.\nBecause the redirection originates from the trusted Access Control System domain, users are significantly more likely to trust the subsequent malicious content, facilitating social engineering attacks.\nThis vulnerability does not require complex privilege escalation; it is often executable by any user capable of reaching the application interface, depending on how the application handles redirected requests.\nThe primary post-exploitation impact includes the masking of phishing domains, the potential bypassing of specific browser-based security filters that rely on domain reputation, and the deceptive spoofing of data sources, where the victim believes they are interacting with a secure, authenticated interface while in reality, the attacker is collecting sensitive authentication tokens or user credentials.\nAffected components include the web-based redirection engine or middleware responsible for processing authentication handoffs or post-login navigation within the Access Control System environments prior to Versiyon 2."
}