CVE-2026-79643 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 Incorrect Operator 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 Storage Containerized Gateway (SCG) software ecosystem, specifically affecting versions prior to 5.36.00.16 for the appliance and prior to 5.36.00.00 for the application component. This vulnerability is classified as an improper use of operators, a category of defects where logical or arithmetic operations are performed incorrectly due to flawed code logic rather than simple input validation failures. In this specific instance, the underlying issue stems from how conditional statements or comparison operators evaluate user-supplied data during authentication or authorization processes. The root cause typically involves type coercion issues, incorrect precedence in boolean expressions, or a failure to properly sanitize inputs before they are processed by critical security gates. This misconfiguration allows an attacker to bypass expected logical constraints that should restrict access based on identity or privilege levels.
From a technical perspective, the exploitation of this vulnerability relies on crafting specific requests that trigger the erroneous operator evaluation. Because the flaw occurs within the authentication mechanism, an unauthenticated actor with remote network access can manipulate request parameters to force the system into accepting invalid credentials or bypassing login requirements entirely. This is not merely a case of weak password policies but rather a fundamental breakdown in the software's ability to correctly interpret security directives. The attacker does not need valid user accounts or high-level privileges initially; instead, they leverage the logic error to gain entry as if they were an authorized entity. Once inside, the attacker operates with the permissions associated with the compromised session, which often includes significant control over storage configurations and data management functions within the SCG environment.
The operational impact of this vulnerability is severe due to its unauthenticated nature and remote exploitability. An adversary who successfully exploits this flaw gains unauthorized access to the Dell Storage Containerized Gateway interface. This level of access can lead to a complete compromise of the confidentiality, integrity, and availability of stored data. The attacker may exfiltrate sensitive information, modify storage configurations to disrupt service for legitimate users, or use the compromised gateway as a pivot point to attack other systems within the internal network. Given that Dell SCG often serves as a critical component in enterprise storage architectures, such unauthorized access can have cascading effects on business continuity and data security compliance. The ability to act without prior authentication significantly lowers the barrier for entry, making this vulnerability attractive to both automated scanning tools and targeted attackers seeking quick initial footholds.
To mitigate this risk, organizations must immediately apply the vendor-provided patches that address these logical operator flaws. Specifically, all Dell SCG 5.0 appliances should be updated to version 5.36.00.16 or later, and application instances should be upgraded to version 5.36.00.00 or higher. Until patching is complete, network segmentation strategies should be employed to restrict access to the SCG management interfaces from untrusted networks. Implementing strict firewall rules that limit inbound connections to known administrative IP addresses can reduce the attack surface significantly. Additionally, deploying intrusion detection systems with signatures capable of identifying anomalous authentication patterns may help in detecting attempted exploitation activities. Regular security audits and code reviews focusing on logical operator usage are recommended for future development cycles to prevent similar defects from being introduced into critical authentication workflows.
This vulnerability aligns with Common Weakness Enumeration (CWE) ID 753, which describes the improper use of operators or functions that lead to logic errors resulting in security bypasses. It also maps to MITRE ATT&CK techniques related to initial access and privilege escalation, specifically those involving exploitation of software vulnerabilities for authentication bypass. Understanding these mappings helps organizations prioritize remediation efforts based on industry-standard risk frameworks. The emphasis remains on rapid patching combined with defensive network controls to ensure that the logical flaw does not result in a full system compromise. Maintaining up-to-date firmware is the most effective defense against such logic-based exploits, as they often require specific code states that are corrected only through vendor-supplied updates.