Description

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 Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.5",
  "pubDate": "2026-09-07T15:17:31.670Z",
  "pubdate": "2026-09-07T15:17:31.670Z",
  "executiveSummary": "This vulnerability involves a Missing Authentication for Critical Function within Dell SCG 5.0 Appliance and Application versions. The flaw allows an unauthenticated, remote attacker to bypass security controls and gain unauthorized access to sensitive system functions.\nThe vulnerability represents a significant security risk, as it effectively removes the authentication gatekeeper for privileged operations. Successful exploitation does not require prior user credentials, lowering the barrier for entry significantly. By interacting with exposed application interfaces, a remote threat actor can execute unauthorized functions, potentially leading to full system compromise, information disclosure, or further lateral movement within the network environment.\nThe scope of impact covers both 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. Given the nature of the appliance, unauthorized access could provide an attacker with high-level administrative capabilities over the deployment, posing severe risks to the confidentiality, integrity, and availability of the infrastructure managed by the Secure Connect Gateway (SCG).",
  "technicalDetails": "The vulnerability stems from the improper implementation of access control mechanisms within the Dell SCG architecture. Specifically, critical functions or endpoints intended for authenticated administrative use fail to verify the session identity of the requesting party. In a standard secure implementation, the application layer should mandate a valid session token or cryptographic credential before processing requests to sensitive operational controllers. In this instance, the absence of such validation at the functional level allows requests to be processed as legitimate by the backend logic.\nThe attack flow relies on the reachability of the affected management interface over the network. Because the vulnerability involves missing authentication, a remote attacker can transmit crafted HTTP requests to the vulnerable endpoints. The application, failing to intercept these requests for authentication checks, executes the associated back-end logic directly. The exploitation methodology does not require specialized payloads or complex memory corruption techniques; rather, it exploits the logic error where security boundaries are effectively omitted by the application design.\nUpon successful invocation of these unauthenticated endpoints, an attacker can trigger internal processes that are normally reserved for authorized administrators. The post-exploitation impact includes the potential for configuration tampering, extraction of telemetry or system data, and potentially the redirection of gateway traffic. Since the SCG appliance serves as a bridge for connectivity and support services, compromising the authentication layer may permit the attacker to leverage the appliance as a proxy for further malicious activities within the host network.\nThe vulnerable component exists within the core application logic of the SCG framework. Affected versions include all SCG 5.0 Appliance releases prior to 5.36.00.16 and SCG 5.0 Application releases prior to 5.36.00.00. This is a network-exposed flaw that does not necessitate local access or specific user privileges. The lack of an authentication handshake ensures that the exploit remains silent, as the system perceives the malicious requests as valid operational inputs from authorized sources."
}