CVE-2025-36636 in Security Center
Summary
by MITRE • 10/08/2025
In Tenable Security Center versions prior to 6.7.0, an improper access control vulnerability exists where an authenticated user could access areas outside of their authorized scope.
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Analysis
by VulDB Data Team • 10/10/2025
The vulnerability identified as CVE-2025-36636 affects Tenable Security Center versions prior to 6.7.0 and represents a critical improper access control flaw that undermines the security model of the platform. This vulnerability stems from insufficient authorization checks within the application's access control mechanisms, allowing authenticated users to potentially escalate their privileges and access resources beyond their designated permissions. The issue manifests when the system fails to properly validate user roles and access levels during request processing, creating a pathway for unauthorized information disclosure and potential system compromise.
From a technical perspective, this vulnerability operates at the application layer and specifically targets the privilege management system within Tenable Security Center. The flaw likely exists in how the application handles session management and role-based access control (RBAC) enforcement, where user permissions are not adequately verified before granting access to sensitive data or administrative functions. According to CWE classification, this maps to CWE-285: Improper Authorization, which encompasses various scenarios where systems fail to properly enforce access controls. The vulnerability's impact extends beyond simple data exposure to potentially enable privilege escalation attacks that could allow malicious actors to gain administrative access to the security platform itself.
The operational impact of CVE-2025-36636 is significant for organizations relying on Tenable Security Center for their vulnerability management and security monitoring operations. An authenticated user who exploits this vulnerability could access sensitive security data, including scan results, configuration details, and potentially administrative functions that should be restricted to authorized personnel only. This could lead to information disclosure that compromises the integrity of the organization's security posture and potentially exposes sensitive network information to unauthorized parties. The vulnerability also creates opportunities for lateral movement within the security infrastructure, as attackers could leverage elevated privileges to access other systems or data within the Tenable environment.
Organizations should prioritize immediate remediation by upgrading to Tenable Security Center version 6.7.0 or later, which contains the necessary patches to address this access control flaw. Additionally, security teams should conduct thorough access control reviews and implement network segmentation to limit the potential impact of such vulnerabilities. The ATT&CK framework categorizes this type of vulnerability under privilege escalation techniques, specifically targeting the T1078 credential access sub-technique where legitimate credentials are used to gain unauthorized access. Organizations should also consider implementing additional monitoring controls to detect anomalous access patterns that could indicate exploitation attempts, particularly around administrative functions and sensitive data access within the security platform.