CVE-2026-78018 in Secure Connect Gateway Policy Manager
Summary
by MITRE • 10/09/2026
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Initialization of a Resource with an Insecure Default vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information disclosure.
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Analysis
by VulDB Data Team • 10/09/2026
The Dell Secure Connect Gateway (SCG) Policy Manager software, specifically versions prior to 5.34.00.16, contains a critical security flaw classified as an Initialization of a Resource with an Insecure Default. This vulnerability stems from the improper initialization of internal resources within the application's configuration management subsystem. When the system initializes these components, it fails to enforce restrictive default permissions or secure baseline configurations for sensitive data structures and administrative interfaces. Instead, the software relies on permissive defaults that allow broader access than necessary for standard operational functions. This design oversight creates a security gap where the principle of least privilege is not adequately applied during the startup sequence or initial configuration state of the Policy Manager service.
The primary technical impact of this flaw is information disclosure. Because the insecure default initialization leaves certain resources accessible without sufficient authentication or authorization checks, an attacker with local access on the host system can interact with these exposed interfaces. A low-privileged user account, which typically has limited capabilities within a secure operating environment, can leverage this misconfiguration to extract sensitive configuration data, network topology details, policy rules, and potentially credentials stored in plaintext or weakly protected formats within the SCG database. This exposure compromises the confidentiality of the security infrastructure managed by the gateway, as attackers gain visibility into how traffic is filtered, what policies are enforced, and which internal networks are trusted.
From an operational perspective, this vulnerability significantly undermines the integrity and trustworthiness of the Dell Secure Connect Gateway deployment. The Policy Manager serves as the central control plane for managing secure access policies across distributed endpoints. If an attacker can read these configurations, they may identify weak points in the security architecture, such as overly permissive rules or unencrypted communication channels between components. This intelligence allows for more targeted attacks against other systems within the protected network perimeter. Furthermore, knowledge of internal policy structures enables adversaries to craft evasion techniques that bypass detection mechanisms designed by those very policies. The ability of a low-privileged user to escalate their informational reach represents a significant lateral movement enabler in environments where local account security is not strictly enforced through additional hardening measures like restricted shell access or application whitelisting.
This vulnerability aligns with Common Weakness Enumeration (CWE) ID 295, which describes Improper Authentication for Critical Function when the function requires elevated privileges but does not enforce them during initialization, and more broadly CWE 345: Insufficient Verification of Data Authenticity if it involves trusting default states without validation. In terms of the MITRE ATT&CK framework, this flaw facilitates Initial Access via Local Privilege Escalation techniques where an attacker exploits misconfigurations to gain unauthorized access to sensitive data, contributing to Reconnaissance activities such as System Information Discovery and Credential Access through extraction of stored secrets.
To mitigate this risk, organizations running Dell Secure Connect Gateway Policy Manager versions prior to 5.34.00.16 must apply the vendor-provided patch immediately upon upgrade availability. The updated version corrects the initialization routines to enforce secure defaults and restrict access to sensitive resources based on strict role-based access control principles. In addition to applying the software update, administrators should audit local user accounts with access to the SCG host system to ensure that only essential personnel have login privileges. Implementing multi-factor authentication for administrative interfaces and regularly reviewing configuration baselines against industry standards such as CIS Benchmarks can further reduce the attack surface. Continuous monitoring of system logs for unauthorized access attempts to policy management endpoints is also recommended to detect any exploitation activity in real-time before significant data exfiltration occurs.