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 an Use of Incorrect Operator 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": "7.3",
  "pubDate": "2026-09-07T16:17:29.317Z",
  "pubdate": "2026-09-07T16:17:29.317Z",
  "executiveSummary": "Dell Secure Connect Gateway (SCG) 5.0 Appliance and Application editions contain a vulnerability categorized as Use of Incorrect Operator, which may result in unauthorized access.\nThe vulnerability affects 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.\nThis security flaw allows an unauthenticated, remote attacker to bypass intended access controls by manipulating logical operations within the application's verification or routing logic.\nSuccessful exploitation poses a critical risk to the confidentiality and integrity of the affected appliance, as it permits unauthorized entities to interact with the system without providing valid credentials.\nThe attack is characterized by its remote exploitability, requiring no prior authentication or physical proximity to the target infrastructure.\nOrganizations must prioritize the application of provided security updates to mitigate the risk of unauthorized system access and potential compromise of gateway services.",
  "technicalDetails": "The vulnerability is identified as a Use of Incorrect Operator flaw, manifesting in the logical processing layers of Dell SCG 5.0. This type of weakness typically occurs when a developer incorrectly utilizes a logical operator (such as using an OR operator where an AND is required, or failing to properly check a negation) during authentication or authorization workflows.\nIn the context of the affected Dell SCG versions, the defect resides within the component responsible for processing incoming remote requests. The logic flaw allows the system to erroneously validate an unauthorized state or request as legitimate. By supplying specific, malformed, or crafted inputs that interact with the flawed operator, an attacker can cause the application to deviate from its intended access control path, effectively bypassing the security gates that would typically prevent unauthenticated access.\nThe exploitation flow begins with the attacker establishing a network connection to the target Dell SCG instance. Since the vulnerability does not require authentication, the attacker does not need valid credentials to initiate the interaction. The attacker sends a request specifically engineered to trigger the faulty logical operation. Because the system utilizes an incorrect operator during its evaluation of the request, the flawed logic concludes that the request is authorized, despite lacking the necessary authentication headers or tokens.\nUpon successful manipulation of the logical flow, the gateway grants the attacker unauthorized access to internal functions, services, or data. The impact of such post-exploitation access is severe, potentially allowing an attacker to perform administrative actions, access sensitive diagnostic data, or leverage the gateway's connectivity for further lateral movement within the environment. The vulnerable code path remains active until the logic is corrected through updated firmware or software patches. Consequently, the lack of authentication, combined with the remote network exposure of SCG appliances, significantly elevates the likelihood of successful exploitation by external threat actors."
}