CVE-2026-78025 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 Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure, Protection mechanism bypass, and Unauthorized access.
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Analysis
by VulDB Data Team • 10/09/2026
The Dell Secure Connect Gateway Policy Manager software, specifically versions prior to 5.34.00.16, suffers from a critical security flaw classified as Missing Authentication for Critical Function. This vulnerability stems from an architectural oversight where specific administrative or configuration endpoints within the management interface fail to enforce strict authentication checks before processing requests. In a properly secured system, any operation that modifies policy settings, retrieves sensitive configuration data, or alters user permissions must require valid credentials and session validation. However, in this affected version, certain high-privilege functions are accessible without requiring the attacker to provide valid login credentials. This design flaw effectively creates an open door for malicious actors who have network-level access to the management interface of the appliance.
From a technical perspective, the absence of authentication allows unauthenticated remote attackers to interact directly with internal APIs or web endpoints that control gateway policies. These functions are considered critical because they dictate how traffic is filtered, routed, and secured across the enterprise perimeter. By bypassing these controls, an attacker can manipulate firewall rules, disable security logging, or alter access control lists without detection by standard authentication mechanisms. This type of vulnerability is commonly associated with CWE-306, which describes a failure to perform adequate checks before performing actions that could impact system integrity and availability. The flaw represents a significant deviation from secure coding practices where the principle of least privilege and mandatory access controls are not correctly implemented for administrative functions.
The operational impact of this vulnerability is severe due to its potential for information disclosure, protection mechanism bypass, and unauthorized access. An attacker can exploit this weakness to extract sensitive configuration data that may contain network topology details, internal IP addresses, or cryptographic keys used by the gateway. This information disclosure provides a foundation for further reconnaissance within the protected network environment. Furthermore, because the vulnerability allows for the modification of security policies, an adversary can disable intrusion detection signatures, open ports intended to be closed, or whitelist malicious IP addresses. This constitutes a protection mechanism bypass that effectively neutralizes the primary purpose of the Secure Connect Gateway as a defensive barrier against external threats.
In terms of threat modeling and attack vectors, this vulnerability aligns with MITRE ATT&CK techniques related to Initial Access and Defense Evasion. Specifically, it facilitates unauthorized access through unauthenticated API calls, which can be automated using standard web scraping or scripting tools. Once inside the management plane, an attacker could pivot to lateral movement within the internal network by exploiting the trust relationships established by the compromised gateway policies. The ability to bypass security controls means that traditional perimeter defenses are rendered ineffective against targeted attacks originating from outside the network boundary who have discovered this misconfiguration.
To mitigate this risk, organizations running Dell Secure Connect Gateway must immediately apply the vendor-recommended patch or upgrade to version 5.34.00.16 or later where these authentication checks have been properly enforced. Until patches are applied, administrators should consider restricting access to the management interface through network segmentation and firewall rules that limit connectivity to only trusted administrative workstations. Additionally, implementing strict input validation and ensuring all API endpoints require valid session tokens can provide a temporary layer of defense against exploitation attempts. Regular security audits and penetration testing focused on authentication bypasses are recommended to identify similar misconfigurations in other enterprise infrastructure components.