CVE-2025-26475 in Secure Connect Gateway Appliance
Summary
by MITRE • 03/19/2025
Dell Secure Connect Gateway (SCG) 5.0 Appliance - SRS, version(s) 5.26, Enables Live-Restore setting which enhances security by keeping containers running during daemon restarts, reducing attack exposure, preventing accidental misconfigurations, and ensuring security controls remain active.
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Analysis
by VulDB Data Team • 03/19/2025
The Dell Secure Connect Gateway appliance represents a critical component in enterprise network security infrastructure, specifically designed to provide secure remote access and connectivity solutions. This appliance operates as a sophisticated gateway that manages network traffic and implements security controls to protect organizational assets. The vulnerability identified in version 5.26 of the SRS component within the SCG 5.0 Appliance presents a significant concern for organizations relying on this platform for their security operations. The affected system demonstrates a flaw in its operational configuration that could potentially undermine the very security mechanisms it was designed to enforce.
The technical flaw manifests within the Live-Restore setting functionality that is intended to maintain continuous container operations during daemon restart processes. This feature was implemented with the primary objective of reducing attack exposure windows and preventing accidental misconfigurations that could leave systems vulnerable. However, the vulnerability appears to stem from improper handling of container lifecycle management during system restart scenarios. When daemon processes restart, the system should maintain active security controls and prevent unauthorized access or configuration drift. The flaw likely involves inadequate state preservation mechanisms or insufficient validation of container runtime environments during the restart process, potentially allowing malicious actors to exploit transient states or bypass security controls that should remain active.
The operational impact of this vulnerability extends beyond simple service disruption to encompass potential security breaches and compliance violations. Organizations utilizing this appliance may experience extended attack windows where security controls are temporarily inactive or improperly configured during restart operations. This situation creates opportunities for adversaries to exploit the brief periods when containers are being restarted or reinitialized, potentially gaining unauthorized access to protected network segments. The vulnerability directly contradicts the fundamental security principle that protection mechanisms should remain operational during system maintenance or restart events. From an attack perspective, this flaw aligns with techniques described in the attack pattern taxonomy under persistent threat exploitation, where attackers target system transitions to gain unauthorized access.
Security controls that should remain active during daemon restarts may become compromised due to improper container state management. The vulnerability undermines the principle of least privilege and continuous monitoring that security frameworks such as NIST SP 800-53 and ISO 27001 require for maintaining secure operational environments. Organizations may experience false security assurances during system maintenance windows, leading to potential compliance violations and increased risk exposure. The configuration management aspect of this vulnerability also relates to common weaknesses identified in CWE-284 (Improper Access Control) and CWE-362 (Concurrent Execution using Shared Resource with Improper Synchronization). The flaw may enable privilege escalation scenarios or allow unauthorized modifications to security policies during the restart process, potentially affecting the entire network security posture.
Mitigation strategies should prioritize immediate patching of the affected appliance versions, with organizations implementing comprehensive monitoring of system restart events to detect potential exploitation attempts. Network segmentation and additional access controls should be implemented as temporary compensating measures while permanent fixes are deployed. Security teams should establish baseline configurations that ensure proper container state preservation during restart operations and implement automated validation checks to verify security controls remain active. The vulnerability highlights the importance of proper system hardening and configuration management practices, aligning with defensive techniques outlined in MITRE ATT&CK framework under defensive evasion and privilege escalation categories. Organizations should conduct thorough risk assessments to determine if their current security controls remain effective during system transition periods and implement additional logging and monitoring to detect anomalous behavior during restart operations.