CVE-2026-80123 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 a Server-Side Request Forgery (SSRF) vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to denial of service.
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Analysis
by VulDB Data Team • 09/09/2026
The identified security flaw resides within the Dell SCG 5.0 Appliance software versions prior to build 5.36.00.16 and the corresponding Application versions prior to 5.36.00.00, representing a critical Server-Side Request Forgery vulnerability that compromises the integrity of the storage management infrastructure. This type of vulnerability typically arises when an application accepts user-supplied input for making server-side requests without adequately validating or sanitizing the destination URLs. In this specific context, the flaw allows an unauthenticated attacker who has established remote network access to manipulate these internal request mechanisms. The core technical deficiency lies in the insufficient validation of external inputs that are subsequently used by backend services to initiate connections to other resources within the trusted network environment or even to external destinations controlled by the adversary. This lack of strict allow-listing for outbound requests enables the attacker to redirect server-side operations toward unintended targets, effectively turning the vulnerable appliance into a proxy for malicious activities.
The operational impact of this vulnerability is primarily characterized by the potential for denial of service against both internal and potentially external systems. By leveraging SSRF, an unauthenticated actor can force the Dell SCG appliance to send requests to specific endpoints that may be sensitive or unstable, such as internal management interfaces, database servers, or cloud metadata services. If these targeted resources are unable to handle the volume or nature of the forged requests, they may experience resource exhaustion, service crashes, or complete unavailability. Furthermore, while the immediate description highlights denial of service, SSRF vulnerabilities often serve as a precursor to more severe data exfiltration attacks. An attacker could potentially use this vector to access internal network segments that are otherwise isolated from direct external connectivity, thereby bypassing perimeter security controls and gaining unauthorized visibility into the underlying infrastructure architecture. This capability undermines the fundamental principle of defense in depth by allowing lateral movement or reconnaissance within a segmented environment without requiring valid credentials for the target systems.
From a classification perspective, this vulnerability aligns with CWE-918, which defines Server-Side Request Forgery as a flaw where web applications retrieve data from remote servers using URLs provided by users but fail to perform sufficient validation of those inputs. The attack vector is categorized under MITRE ATT&CK technique T1557, specifically Adversary-in-the-Middle or Lateral Tool Transfer variants that utilize SSRF for network reconnaissance and pivoting. Additionally, the unauthenticated nature of the exploit places it within the context of CWE-306, which covers missing authentication for critical function, although the primary mechanism is the improper input validation leading to SSRF. The absence of required authentication prior to exploitation significantly elevates the risk profile, as any remote host with network reachability to the Dell SCG appliance can attempt this attack without needing valid user credentials or session tokens.
Mitigation strategies must focus on immediate patching and architectural hardening. The primary remediation is to upgrade the Dell SCG Appliance to version 5.36.00.16 or later and the Application component to version 5.36.00.00 or later, as these releases contain patches that address the input validation deficiencies responsible for this SSRF condition. In environments where immediate patching is not feasible due to operational constraints, network segmentation should be reviewed to ensure that the Dell SCG appliances are isolated from untrusted networks and that outbound traffic is strictly controlled via firewall rules. Implementing egress filtering to restrict server-side requests to only known and necessary internal domains can mitigate the impact of SSRF by preventing connections to arbitrary external or internal endpoints. Additionally, deploying web application firewalls with specific signatures for SSRF patterns may provide an additional layer of defense by detecting and blocking malicious request payloads before they reach the vulnerable application logic. Regular security assessments and penetration testing should be conducted to identify similar input validation weaknesses across other management interfaces within the storage infrastructure.