CVE-2026-79644 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 Improper Certificate Validation 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 the Dell SCG 5.0 Appliance and Application software versions prior to 5.36.00.16 and 5.36.00.00 respectively, representing a critical failure in cryptographic validation mechanisms. This vulnerability is classified as an Improper Certificate Validation issue, which fundamentally undermines the integrity of secure communications established by the system. In modern networked environments, Transport Layer Security or similar protocols rely heavily on rigorous certificate chain verification to ensure that clients are communicating with legitimate servers and not malicious intermediaries. When this validation process is flawed, the software fails to adequately verify the authenticity, validity period, or trustworthiness of digital certificates presented during handshake procedures. This deficiency creates a significant gap in the defense-in-depth strategy employed by enterprise storage solutions, allowing attackers to bypass authentication controls that are typically enforced through secure channels.
From an operational perspective, this technical flaw enables unauthenticated remote access to the affected systems. An attacker positioned with network connectivity to the Dell SCG appliance can exploit this weakness to perform man-in-the-middle attacks or certificate spoofing. By presenting a self-signed or otherwise invalid certificate without triggering appropriate rejection mechanisms from the client side, or conversely by failing to validate incoming certificates properly on the server side depending on the specific implementation flaw, an adversary can intercept sensitive data or inject malicious commands into the communication stream. The consequence of such exploitation is severe, as it leads directly to unauthorized access against storage management interfaces and underlying infrastructure components. This level of compromise allows threat actors to potentially exfiltrate critical business data, alter configuration settings, disrupt service availability, or use the compromised appliance as a pivot point for further lateral movement within the corporate network.
The vulnerability aligns with Common Weakness Enumeration identifier CWE-295, which describes Improper Certificate Validation, and is frequently associated with MITM attack vectors documented in the MITRE ATT&CK framework under techniques such as Man-in-the-Middle (T1046) or potentially credential harvesting if session tokens are intercepted. The impact extends beyond simple data confidentiality breaches; it compromises the integrity of administrative actions performed through the SCG interface, which controls complex storage array operations. Organizations relying on these versions for their data protection strategies face significant risk exposure until remediation is applied.
To mitigate this vulnerability, immediate action must be taken to upgrade both the Dell SCG 5.0 Appliance software and the associated Application components to version 5.36.00.16 or later for appliances and 5.36.00.00 or later for applications. These updated releases contain patches that enforce strict certificate validation protocols, ensuring that only trusted certificates issued by recognized Certificate Authorities are accepted during secure connections. In addition to software updates, administrators should implement network-level controls such as firewalls and intrusion detection systems to monitor for anomalous traffic patterns indicative of exploitation attempts. Regular security audits and penetration testing focused on TLS handshake configurations can further help identify similar weaknesses in other connected services within the infrastructure. Maintaining up-to-date firmware is essential not only for addressing known CVEs but also for ensuring compliance with industry standards regarding secure communication practices and data protection regulations.