CVE-2026-76769 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 a Missing Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges.
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Analysis
by VulDB Data Team • 10/09/2026
The Dell Secure Connect Gateway, specifically the Policy Manager component in versions preceding build 5.34.00.16, is susceptible to a critical Missing Authorization flaw that fundamentally undermines the integrity of its access control mechanisms. This vulnerability stems from an insufficient implementation of security checks within the application logic governing administrative functions and policy configurations. In a properly secured system, any request modifying sensitive settings or accessing restricted data must be validated against the user's current privilege level before execution. However, in this affected version, the server fails to verify whether the initiating session possesses the necessary elevated permissions for specific endpoints. This architectural oversight allows an attacker who has already established a foothold within the network and obtained low-privileged credentials to interact with administrative interfaces without triggering appropriate authentication or authorization failures.
From a technical perspective, this flaw represents a classic case of broken access control where the application relies on client-side validation or lacks server-side enforcement for privilege escalation paths. An attacker leveraging remote access capabilities can craft specific HTTP requests targeting internal API endpoints that manage security policies, user roles, or system configurations. Because the backend does not rigorously check the authorization token associated with these requests against the required role permissions, it processes commands intended exclusively for high-privileged administrators as if they originated from such accounts. This discrepancy enables the attacker to bypass standard privilege boundaries and execute actions that should be restricted, effectively elevating their status within the application hierarchy without needing valid higher-level credentials.
The operational impact of this vulnerability is severe, primarily due to its potential for Elevation of Privileges. Once an attacker successfully exploits this missing authorization check, they gain administrative control over the Secure Connect Gateway environment. This level of access allows them to modify security policies that dictate traffic filtering rules, authentication methods, and encryption standards. Consequently, the attacker can disable critical security controls, such as firewalls or intrusion detection systems integrated within the gateway, thereby creating blind spots in the network defense perimeter. Furthermore, with administrative rights, an adversary can create new user accounts with elevated privileges, install malicious software, or exfiltrate sensitive data stored or processed by the gateway infrastructure. This compromise effectively grants full control over a critical security appliance that protects internal networks from external threats and manages secure remote access for employees.
This vulnerability aligns closely with Common Weakness Enumeration identifier CWE-269, which describes Improper Privilege Control, specifically where an actor is able to perform actions beyond their assigned privileges due to missing authorization checks on the server side. In terms of offensive security frameworks, this exploitation technique maps directly to MITRE ATT&CK tactic T1078, Valid Accounts, and more specifically sub-technique T1078.003, Domain Accounts, as it involves leveraging existing low-level credentials to escalate privileges within a system or domain environment. It also relates to T1548, Abuse Elevation Control Mechanism, where the attacker abuses mechanisms designed to control privilege levels by exploiting flaws in their implementation rather than brute-forcing them.
To mitigate this risk, organizations running Dell Secure Connect Gateway must immediately apply the vendor-recommended patch that updates the Policy Manager component to version 5.34.00.16 or later. This update includes rigorous server-side validation logic for all administrative endpoints, ensuring that every request is authenticated and authorized against the user's actual privilege level before processing. In addition to applying patches, administrators should enforce strict network segmentation policies to limit remote access to management interfaces only from trusted IP addresses using multi-factor authentication. Regular audits of access logs are also recommended to detect any anomalous activity indicative of unauthorized privilege escalation attempts while patching efforts are underway.