CVE-2026-73598 in Secure Connect Gateway Policy Manager
Summary
by MITRE • 09/29/2026
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Incorrect Permission Assignment for Critical Resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.
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Analysis
by VulDB Data Team • 09/29/2026
The Dell Secure Connect Gateway (SCG) Policy Manager software, specifically versions prior to 5.34.00.16, contains a critical security flaw classified as an Incorrect Permission Assignment for Critical Resource. This vulnerability stems from improper configuration or implementation of access controls on sensitive system files or resources within the application environment. The core technical issue involves the failure to enforce restrictive permissions on components that require elevated privileges, thereby allowing users with lower privilege levels to interact with these protected assets in ways intended only for administrators or high-privilege accounts. This misconfiguration represents a fundamental breakdown in the principle of least privilege, where resources are granted more access rights than necessary for their function, creating an avenue for unauthorized modification or execution.
From an operational perspective, this vulnerability poses a severe risk to system integrity and confidentiality. An attacker who has already gained local access to the SCG host with low-privileged credentials can exploit these permissive file permissions to escalate their privileges significantly. By modifying critical configuration files, binaries, or environment variables that are improperly secured, the attacker can execute code with higher-level authority, potentially achieving full administrative control over the gateway appliance. This elevation of privilege allows the adversary to bypass security controls, install persistent backdoors, exfiltrate sensitive network traffic data, and pivot further into the protected internal network infrastructure. The impact is compounded by the fact that Dell Secure Connect Gateway often serves as a critical entry point for remote access services, making its compromise particularly damaging to organizational security postures.
This vulnerability aligns with Common Weakness Enumeration (CWE) ID 732, which describes Incorrect Permission Assignment for Critical Resource. It also maps directly to MITRE ATT&CK technique T1068, known as Exploitation for Privilege Escalation. The attack vector typically involves local access, meaning the attacker must first compromise a user account or gain shell access on the host system through other means such as phishing, unpatched services, or physical access. Once inside with low privileges, the exploitation of this permission flaw serves as a lateral movement and privilege escalation step within the single-host attack chain. The lack of strict file ownership and mode settings allows standard users to overwrite sensitive files that are subsequently executed by privileged processes, effectively tricking the system into running malicious code under elevated contexts.
Mitigation strategies for this vulnerability primarily involve immediate software remediation. Organizations utilizing Dell Secure Connect Gateway must upgrade their Policy Manager components to version 5.34.00.16 or later, where these permission issues have been corrected by enforcing stricter access control lists and proper file ownership settings. In addition to patching, administrators should implement rigorous configuration management practices that regularly audit file permissions on critical system directories and application files. Principle of least privilege should be enforced across the entire infrastructure, ensuring that no single service or user account has unnecessary write access to sensitive resources. Furthermore, deploying host-based intrusion detection systems can help monitor for anomalous changes to protected files, providing an additional layer of defense against exploitation attempts even if a low-privileged attacker gains initial foothold on the system.