CVE-2026-78487 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 an Use of Hard-coded Cryptographic Key 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 • 09/07/2026
The identified security flaw resides within Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and the corresponding Application versions prior to 5.36.00.00, specifically manifesting as an improper implementation of cryptographic mechanisms through the use of hard-coded keys. This vulnerability is classified under CWE-798, which defines the use of hard-coded credentials or cryptographic keys that are not unique per deployment and cannot be changed by administrators. In a secure architecture, sensitive data such as encryption keys should be dynamically generated during installation or configuration, stored in protected hardware security modules, or managed through a dedicated key management service to ensure uniqueness and confidentiality across different instances. The presence of static, hard-coded cryptographic material fundamentally undermines the principle of defense in depth because it removes the ability for system administrators to rotate keys in response to potential compromises or changes in organizational security policies.
From an operational perspective, this vulnerability presents a significant risk vector for information disclosure attacks targeting low-privileged users with local access capabilities. An attacker who gains even minimal level access to the operating environment of the Dell SCG appliance can potentially extract these hard-coded keys from memory dumps, configuration files, or binary analysis tools. Once obtained, these static keys allow the adversary to decrypt sensitive data stored by the application that relies on them for confidentiality. This capability effectively neutralizes the encryption protections intended to safeguard proprietary information, customer data, or system configurations, leading to a complete compromise of data integrity and privacy within the scope of the affected cryptographic operations. The attack path aligns with ATT&CK technique T1552.004, which involves unsecured credentials stored in configuration files, as well as aspects of T1078 regarding valid accounts if local access is achieved through other means.
The impact extends beyond immediate data decryption to include long-term security degradation due to the inability to perform effective key rotation. Because the keys are embedded within the software distribution rather than being configurable or dynamically managed, any compromise requires a full vendor patch and deployment cycle to remediate. This creates a prolonged window of exposure where all instances running vulnerable versions share the same cryptographic secret, meaning that if one instance is compromised, all other instances using the same version remain at risk until they are updated. Furthermore, this static nature prevents compliance with stringent regulatory frameworks such as PCI DSS or HIPAA, which often mandate regular key rotation and unique keys per environment to mitigate the blast radius of a potential breach.
To mitigate this vulnerability, organizations must prioritize the immediate application of vendor-provided patches that update the Dell SCG 5.0 Appliance to version 5.36.00.16 or later and the Application to version 5.36.00.00 or higher. These updates replace the hard-coded cryptographic material with dynamically generated keys, thereby restoring the intended security posture. In environments where immediate patching is not feasible due to operational constraints, administrators should implement strict access controls to limit local user privileges, ensuring that only highly trusted personnel can interact with the system at a low level. Additionally, network segmentation strategies should be employed to isolate SCG appliances from less secure zones, reducing the likelihood of an attacker achieving the initial local access required to exploit this flaw. Continuous monitoring for unauthorized access attempts and regular audits of configuration files can also help detect early signs of exploitation or misconfiguration related to cryptographic key management.