CVE-2026-79970 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 Verification of Cryptographic Signature vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass.
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Analysis
by VulDB Data Team • 09/09/2026
The identified vulnerability in Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and the corresponding Application versions prior to 5.36.00.00 represents a critical failure in cryptographic verification processes, specifically categorized under CWE-347 as Improper Verification of Cryptographic Signature. This flaw indicates that the software fails to adequately validate digital signatures associated with code or data updates before execution or processing. In secure systems, cryptographic signatures serve as a fundamental trust anchor, ensuring that only authorized and unaltered content is accepted by the system. When this verification mechanism is bypassed due to improper implementation, the integrity of the application environment is compromised, allowing malicious actors to introduce unauthorized modifications without detection.
An attacker with remote access who remains unauthenticated can exploit this weakness to circumvent essential protection mechanisms. The absence of rigorous signature validation means that an adversary could potentially inject or execute arbitrary code by presenting a payload that lacks valid cryptographic proof of origin and integrity. This scenario effectively neutralizes the security controls designed to prevent unauthorized changes, leading directly to a bypass of authentication and authorization safeguards. Such exploitation allows for potential remote code execution, data tampering, or complete system compromise, depending on the privileges associated with the affected component within the SCG architecture.
From an operational perspective, this vulnerability poses severe risks to the confidentiality, integrity, and availability of storage containerized environments managed by Dell SCG. If exploited successfully, it could enable lateral movement across connected systems, persistence through malicious service installation, or disruption of critical data services. The impact extends beyond immediate system compromise, potentially affecting downstream applications that rely on the integrity of the storage infrastructure for consistent and secure operations. Organizations utilizing these specific versions are exposed to significant risk until remediation is applied, as the attack vector requires only remote network access rather than local physical presence or prior authentication credentials in some configurations.
Mitigation strategies must prioritize immediate patching to version 5.36.00.16 for appliances and 5.36.00.00 for applications, which address this cryptographic verification deficiency. In addition to updating software components, administrators should enforce strict network segmentation to limit remote access to management interfaces and ensure that only trusted sources are permitted to communicate with the SCG infrastructure. Implementing robust monitoring solutions can help detect anomalous behavior indicative of exploitation attempts, such as unexpected signature validation failures or unauthorized configuration changes. Aligning remediation efforts with industry standards like MITRE ATT&CK technique T1059 Command and Scripting Interpreter or T1203 Exploitation for Client Execution is advisable to ensure comprehensive defense against similar cryptographic bypass attacks in the future.