CVE-2026-79736 in Secure Connect Gateway
Summary
by MITRE • 09/09/2026
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 • 09/09/2026
The identified security flaw resides within the Dell Storage Containerized Gateway (SCG) software ecosystem, specifically affecting versions prior to 5.36.00.16 for the appliance and 5.36.00.00 for the application component. This vulnerability is classified as an Improper Certificate Validation issue, which fundamentally undermines the integrity of secure communication channels established by the system. In modern networked environments, Transport Layer Security (TLS) or Secure Sockets Layer (SSL) protocols are critical for ensuring confidentiality and authenticity between clients and servers. The flaw indicates that the SCG software fails to adequately verify the digital certificates presented during these handshake processes, a mechanism designed specifically to prevent man-in-the-middle attacks and ensure that the communicating party is indeed who they claim to be.
From a technical perspective, this deficiency allows an unauthenticated attacker with remote network access to bypass authentication mechanisms or intercept sensitive data without detection. When certificate validation is improperly handled, the software may accept self-signed certificates, expired certificates, or certificates issued by unauthorized Certificate Authorities. This lack of rigorous verification creates a window for attackers to perform sophisticated interception attacks where they can decrypt traffic that should remain encrypted, modify requests in transit, or impersonate legitimate services to trick users into providing credentials. The vulnerability effectively neutralizes the security guarantees provided by encryption protocols, rendering secure communications vulnerable to eavesdropping and manipulation.
The operational impact of this vulnerability is severe due to its potential for unauthorized access. Since the flaw permits exploitation by unauthenticated remote attackers, it significantly lowers the barrier to entry for malicious actors targeting Dell storage infrastructure. Successful exploitation could lead to a complete compromise of the SCG environment, allowing adversaries to gain control over stored data, disrupt service availability, or pivot into other parts of the internal network. This poses a critical risk to organizations relying on Dell SCG for their data management needs, as it directly threatens data confidentiality and system integrity. The ability to bypass authentication means that sensitive operational metadata and user credentials could be exposed, leading to potential regulatory compliance violations depending on the nature of the stored data.
To mitigate this risk, immediate action is required by upgrading the affected Dell SCG appliances and applications to version 5.36.00.16 or later for appliances and 5.36.00.00 or later for applications. These updated versions contain patches that enforce strict certificate validation procedures in accordance with industry best practices. Organizations should also ensure that their internal Certificate Authorities are properly configured and trusted within the system trust store to prevent future issues related to legitimate but improperly validated certificates. Furthermore, implementing network segmentation can limit the exposure of SCG components to untrusted networks, reducing the attack surface available to remote adversaries until patches are applied.
This vulnerability aligns with Common Weakness Enumeration (CWE) identifier CWE-295, which describes Improper Certificate Validation. It also maps to MITRE ATT&CK techniques related to Man-in-the-Middle attacks and Credential Access, specifically those involving the interception of authentication credentials or the bypassing of certificate pinning mechanisms. Security teams should monitor for any anomalous traffic patterns indicative of SSL stripping or certificate spoofing attempts against SCG endpoints as part of their ongoing threat detection strategies.