CVE-2026-79965 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 External Control of Critical State Data 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 Dell SCG 5.0 Appliance versions prior to build 5.36.00.16 and the corresponding Application versions prior to 5.36.00.00. This vulnerability is classified as an External Control of Critical State Data, a category that encompasses scenarios where software improperly controls or modifies critical state variables based on external inputs without adequate validation or sanitization. In the context of storage container gateways and similar enterprise infrastructure components, such flaws often arise when administrative interfaces or backend services accept user-supplied data to modify system configuration states, session parameters, or access control lists without enforcing strict integrity checks. The core technical deficiency lies in the application's failure to validate that incoming requests originate from an authenticated source with appropriate privileges before executing state-altering operations. This lack of robust input validation and authorization enforcement allows malicious actors to manipulate internal data structures that dictate system behavior and security boundaries.
From a threat actor perspective, this vulnerability is particularly severe because it permits exploitation by unauthenticated attackers who possess remote network access to the target service. Unlike vulnerabilities requiring prior authentication or local physical access, an unauthenticated exploit vector significantly lowers the barrier for entry. An attacker can craft specific HTTP requests or API calls that manipulate critical state data within the Dell SCG application logic. By altering these internal states, the attacker may bypass existing security controls, escalate privileges to administrative levels, or modify configuration settings that govern how storage resources are presented and secured. This capability directly undermines the confidentiality, integrity, and availability of the protected storage environment, as the attacker gains the ability to dictate system behavior without legitimate credentials.
The operational impact of this vulnerability is substantial for organizations relying on Dell SCG solutions for their data infrastructure. Unauthorized access resulting from the exploitation of external control over critical state data can lead to a complete compromise of the management plane. Attackers could potentially exfiltrate sensitive metadata, alter replication policies leading to data loss or corruption, or disable security logging and monitoring features to maintain persistence undetected. Furthermore, if the compromised appliance is integrated with broader storage area networks or cloud environments, the breach may serve as an initial foothold for lateral movement into more critical systems. The ability of an unauthenticated remote actor to manipulate stateful operations effectively neutralizes the perimeter defense provided by authentication mechanisms, rendering traditional access control models ineffective against this specific attack vector.
To mitigate this risk, organizations must prioritize immediate patching and version upgrades. Dell has addressed these vulnerabilities in SCG 5.0 Appliance versions starting with build 5.36.00.16 and Application versions starting with 5.36.00.00. Administrators should verify their current software versions against this baseline and apply the latest available updates to ensure that the underlying code includes proper input validation, strict authorization checks for state-modifying operations, and enhanced logging capabilities. In environments where immediate patching is not feasible due to operational constraints, temporary mitigations may include restricting network access to the management interface through firewall rules or security groups, ensuring that only trusted IP addresses can reach the vulnerable services. Additionally, implementing multi-factor authentication on any remaining accessible administrative interfaces and monitoring logs for anomalous state changes can provide an additional layer of defense against exploitation attempts while remediation efforts are underway.
This vulnerability aligns with Common Weakness Enumeration (CWE) identifiers such as CWE-913 regarding Control of State from Outside an Untrusted Sphere, which highlights the danger of allowing external entities to influence internal system states without sufficient verification. It also maps to MITRE ATT&CK techniques related to Initial Access and Privilege Escalation, specifically those involving exploitation of service vulnerabilities or manipulation of configuration settings for unauthorized access. Understanding these mappings helps security teams contextualize the threat within broader attack frameworks and prioritize remediation efforts based on industry-standard risk assessments. Continuous monitoring and adherence to vendor security advisories remain critical components of a robust defense strategy against such infrastructure-level flaws.