CVE-2026-79637 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) appliance and application software versions prior to 5.36.00.16 for appliances and 5.36.00.00 for applications, specifically concerning its handling of Transport Layer Security certificates during authentication processes. This vulnerability is classified as an Improper Certificate Validation issue, which fundamentally undermines the integrity of secure communication channels established between clients and the SCG management interface or API endpoints. In a properly secured system, certificate validation ensures that the entity presenting a digital identity actually possesses the corresponding private key and that the certificate has not been revoked, expired, or issued by an untrusted authority. The absence of rigorous checks allows attackers to bypass these critical security controls, effectively neutralizing one of the primary defenses against man-in-the-middle attacks and credential theft.
From a technical perspective, this flaw likely involves insufficient verification of the X.509 certificate chain during TLS handshakes or API authentication requests. When an unauthenticated attacker with remote network access interacts with the vulnerable SCG components, they may be able to present forged certificates or exploit weaknesses in the validation logic that fail to reject invalid identities. This failure permits the establishment of a trusted session without proper authorization credentials. The vulnerability aligns closely with CWE-295 Improper Certificate Validation and is often associated with MITM attack vectors described in the MITRE ATT&CK framework under techniques such as Man-in-the-Middle or Credential Access via interception. By bypassing certificate validation, an attacker can intercept sensitive management traffic, potentially capturing session tokens or administrative credentials that are transmitted over what should be a secure channel.
The operational impact of this vulnerability is severe due to the privileged nature of storage infrastructure management interfaces. Unauthorized access gained through this flaw could allow attackers to modify critical storage configurations, disrupt data availability by altering volume mappings or replication settings, and exfiltrate sensitive enterprise data stored on the connected arrays. Since Dell SCG serves as a gateway for containerized workloads accessing block storage, compromising it may also provide an attacker with lateral movement opportunities into broader network segments that rely on these storage resources. The ability to gain unauthorized access without prior authentication significantly lowers the barrier for exploitation, making this vulnerability attractive to automated scanning tools and opportunistic attackers seeking quick entry points into enterprise environments.
To mitigate this risk, organizations must immediately apply the vendor-recommended patches by upgrading Dell SCG 5.0 Appliance versions to 5.36.00.16 or later and Dell SCG 5.0 Application versions to 5.36.00.00 or later. Until patching is complete, administrators should restrict network access to the SCG management interfaces using strict firewall rules that limit connectivity to trusted IP addresses only. Additionally, implementing multi-factor authentication where supported can add an extra layer of defense against unauthorized session establishment. Regular monitoring of system logs for anomalous login attempts and certificate validation errors will also aid in detecting potential exploitation activities while ensuring compliance with industry security standards such as NIST SP 800-53 regarding identity management and cryptographic key usage.