CVE-2026-78027 in Secure Connect Gateway Policy Manager
Summary
by MITRE • 10/09/2026
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains a Server-Side Request Forgery (SSRF) vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure and Server-side request forgery.
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Analysis
by VulDB Data Team • 10/09/2026
The Dell Secure Connect Gateway Policy Manager software, specifically versions prior to 5.34.00.16, contains a critical server-side request forgery vulnerability that poses significant risks to organizational security postures. This flaw resides within the administrative interface of the policy management component, which is responsible for configuring and enforcing network policies across the gateway infrastructure. The vulnerability allows an authenticated attacker with high privileges to manipulate how the application constructs and executes HTTP requests sent from the server itself. By exploiting this weakness, a remote actor can force the vulnerable system to make connections to arbitrary internal or external resources that would otherwise be inaccessible due to standard security controls such as firewalls or access control lists. This capability fundamentally undermines the principle of least privilege by allowing an administrator-level account to bypass network segmentation and reach sensitive backend services, databases, or management interfaces that are not intended for direct exposure.
From a technical perspective, this server-side request forgery issue stems from insufficient validation of user-supplied input when constructing outbound requests. In many enterprise gateway applications, the policy manager often needs to communicate with downstream devices, cloud endpoints, or internal APIs to apply configuration changes or retrieve status information. If these destinations are not strictly validated against a whitelist of allowed domains and IP ranges, an attacker can inject malicious payloads into parameters that dictate where the server should send its requests. For instance, by modifying URL parameters or header fields associated with policy updates or health checks, the attacker can redirect traffic to internal services such as metadata endpoints on cloud instances, local database ports, or other administrative consoles within the corporate network. This technique is particularly dangerous because it leverages the trust relationship between the gateway and its managed assets, effectively turning a management tool into an attack vector for lateral movement within the environment.
The operational impact of this vulnerability extends beyond simple information disclosure to include potential remote code execution and complete compromise of the underlying infrastructure. While the primary classification highlights information disclosure, the ability to forge server-side requests enables attackers to probe internal networks that are typically shielded from external threats. This can lead to the exposure of sensitive configuration data, credentials stored in accessible endpoints, or proprietary business logic embedded within backend services. Furthermore, if any of these internal services have their own vulnerabilities, such as command injection or authentication bypasses, the SSRF vulnerability serves as a powerful pivot point for escalating privileges and achieving full system compromise. The requirement for high-privileged access means that this threat is most relevant in scenarios where administrative credentials are compromised through phishing, credential stuffing, or other initial access techniques, making it a critical concern for organizations relying on Dell Secure Connect Gateway for their secure remote access infrastructure.
To mitigate the risks associated with this vulnerability, immediate action must be taken to update the Dell Secure Connect Gateway Policy Manager software to version 5.34.00.16 or later, where these input validation checks have been strengthened and strict allow-listing mechanisms are enforced for outbound connections. In addition to patching, organizations should implement network-level controls such as egress filtering on their gateways to restrict which internal IP ranges can be accessed by the policy manager service. This defense-in-depth approach ensures that even if an attacker exploits this flaw, they will encounter additional barriers preventing them from reaching sensitive backend resources. Security teams should also audit administrative access logs for unusual outbound connection patterns and ensure that multi-factor authentication is enforced for all privileged accounts to reduce the likelihood of initial credential compromise.
This vulnerability aligns with Common Weakness Enumeration identifier CWE-918, which describes Server-Side Request Forgery as a flaw where an attacker causes the server-side application to make requests to unintended destinations. It also maps directly to MITRE ATT&CK technique T1557, specifically Adversary-in-the-Middle or Lateral Tool Transfer scenarios where SSRF is used to facilitate lateral movement and access internal resources that are not publicly exposed. Understanding this mapping helps security operations centers prioritize detection rules based on known adversary behaviors associated with server-side request manipulation. By addressing the root cause through software updates and reinforcing network segmentation, organizations can effectively neutralize this threat vector and maintain the integrity of their secure gateway infrastructure against sophisticated attacks leveraging administrative privileges.