CVE-2026-78480 in Secure Connect Gateway
Summary
by MITRE • 09/07/2026
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
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Analysis
by VulDB Data Team • 09/07/2026
The identified security flaw resides within Dell SCG 5.0 Appliance versions prior to build 5.36.00.16 and the corresponding Application versions prior to 5.36.00.00. This vulnerability is classified as a Missing Authentication for Critical Function, which represents a significant deviation from fundamental security principles regarding access control mechanisms. In this context, critical functions within the storage container gateway interface are exposed without requiring valid authentication credentials or session validation before execution. The absence of these mandatory checks allows any entity with network connectivity to interact directly with administrative endpoints and management interfaces that should be restricted to authorized personnel only.
From a technical perspective, the flaw stems from an incomplete implementation of access control logic in the web-based management interface or associated API endpoints. When an unauthenticated user sends requests to specific URLs designed for configuration changes, status monitoring, or system administration tasks, the application fails to verify the identity or privilege level of the requester. This oversight effectively bypasses the intended security boundary, treating anonymous traffic with the same trust as authenticated administrative sessions. The vulnerability is particularly severe because it does not require complex exploitation techniques such as buffer overflows or logic errors; rather, it relies on the simple misconfiguration where authentication middleware or checks are omitted for specific high-privilege routes.
The operational impact of this vulnerability is substantial and potentially catastrophic depending on the deployment environment. An unauthenticated attacker with remote network access can exploit this flaw to gain unauthorized control over the storage infrastructure. This could lead to a complete compromise of data integrity, availability, and confidentiality. Attackers may be able to modify storage configurations, delete volumes, or alter replication settings, thereby disrupting business operations. Furthermore, given that SCG appliances often serve as gateways for critical enterprise workloads, compromising this component can provide an attacker with a foothold within the internal network, facilitating lateral movement toward other sensitive systems and databases protected by perimeter defenses but not isolated from the management plane.
This vulnerability aligns closely with CWE-306, which describes Missing Authentication for Critical Function, indicating that the software does not perform adequate authentication before performing actions that have a direct impact on security decisions or data integrity. In terms of adversary behavior mapping to the MITRE ATT&CK framework, this flaw facilitates Initial Access and potentially Privilege Escalation if combined with other misconfigurations. It allows attackers to bypass standard login screens and directly interact with backend services, effectively treating unauthenticated requests as privileged commands. This undermines the principle of least privilege and fails to enforce proper identity verification at critical decision points within the application logic.
To mitigate this risk, organizations running affected versions must immediately apply the vendor-recommended patches that update the appliance software to version 5.36.00.16 or later and the application component to version 5.36.00.00 or higher. These updates include the necessary code changes to enforce authentication checks on all critical administrative endpoints. Until patching is complete, it is advisable to restrict network access to the management interface of these appliances using firewall rules that limit connectivity to trusted IP addresses only. Additionally, implementing strict input validation and ensuring that all API endpoints require valid session tokens can provide a layer of defense in depth while waiting for official remediation packages to be deployed across the infrastructure.